pass around/round:  Please take a form and pass the others around. (To give something to everyone in a group)  
pass away:  Grandpa passed away peacefully in his sleep. (To die)  
                                                                                            
pass by:  The small child watched open-mouthed the parade passing by. (To move past)
pass by:  I passed by her without being noticed by her. (To move past someone and not be recognized)
pass by:  We often sat on the river bank and looked at the barges passing by. (To go past someone or something)

pass down:  The centuries-old tradition still passes down from generation to generation. (To hand something down from older people to younger ones)

pass for:  His mother-in-law in mini-skirt could easily pass for a teenager. (To regard something as true)

pass off:  There is no reason for me to pass myself off as anyone else. (To falsely represent oneself as someone else)

pass off:  The protest match against alleged vote rigging passed off peacefully. (To happen in a satisfactory way)
pass off:  He was under investigation for passing off fakes as authentic documents. (To deliberately cause someone to believe something that is not true or genuine)

pass on:  You passed your cough on to me; see, I’m coughing now. (To infect someone)

pass on:  The restaurant owners threatened to pass the proposed increase in the service tax on to the consumers. (To let someone else bear the cost of something)
pass on:  It’s exactly a year that he passed on. (To die)
pass on:  He was not present as no one passed on the message about the urgent meeting to him.  (To pass something from one person to another)

pass out:  During a heavy drinking session, he suddenly passed out. (To briefly lose consciousness)

pass out:  He passed out the application forms to those who put up their hands. (To give out something)
pass out:  She was the only woman who passed out from one of the top police colleges in the country. (To successfully compete a training, especially in the armed forces)

pass over:  Jane threatened to resign when she was passed over for promotion. (To be ignored or left out)

pass over:  Certain facts were passed over, thus making the report misleading. (To avoid mentioning something)

pass round/around: Please pass these drinks round. (To offer something to everyone in a group)  

pass up:  His parents thought he should accept it as the opportunity to work overseas is too good to pass up. (To reject)

pass up:  He passed up a chance for promotion out of fear of new responsibilities. (To refuse to accept)

pay back:  I’ll pay him back one of these days for what he did to me. (To revenge oneself)

pay back:  Can I now pay you back half of the amount I owe you? (To repay someone)

pay for:  Let’s hope he will pay dearly for the evil deeds he did. (To be punished)

pay in: I will pay this cheque in for  you. (To put money into an account)
pay into: I will pay this cheque into your account. (To put money into an account)

pay off:  He wanted to pay me off substantially to keep quiet about something illegal he had done. (To bribe someone to keep quiet, especially about something that is illegal or dishonest)

pay off:  Our persistence really paid off as we got this thing done successfully. (To produce a good outcome)
pay off:  We paid off the washing machine in four installments. (To make full settlement of one’s debt)

pay out:  A huge sum of money was paid out to the jackpot winner. (To give out money)

pay out:  I don’t know how much I have to pay out to fix the leak in the roof. (To spend)

pay up:  I was told to pay up by Monday or had my car repossessed. (To make a payment although not readily or eagerly)

pick at:  The patient picked at her breakfast. (To eat in small amounts, displaying no desire to satisfy one’s hunger or need for food)

pick off:  We picked the moving toy ducks off one by one at the fun fair, and won some prizes. (To shoot someone or something one by one from a distance)
pick on:  I don’t think she likes me; she’s always picking on me. (To repeatedly choose the same person for unfair treatment)
pick out:  Anyone of us can pick out Rose’s father from the crowd because he is exceptionally tall. (To easily recognize someone in a group)
pick over: We picked over the apples before buying them.  ((To examine item by item, choosing the ones one wants)

pick up:  We picked the broken pieces up off the floor. (To lift)

pick up:  As we walked along the beach, we picked up empty sea shelves. (To collect)
pick up:  Finally, the bus arrived to pick up commuters.  (To take on passengers or goods)
pick up:  The mechanic called to ask me to pick up my car. (To get or bring back something from somewhere)
pick up:  The father picked up some items of food from a grocer’s shop. (To buy)
pick up:  She picked up some discounted dresses in the sale. (To buy something cheaply)
pick up:  We could pick up French more quickly when we lived in France. (To learn through practice)
pick up:  He was picked up as a suspect from his home by the police. (To detain someone)
pick up:  The kind uncle offered to pick up the tab. (To accept to pay a, especially restaurant, bill for food, drinks, etc)
pick up:  He picked up an unknown disease while on an overseas holiday.  (To catch an illness)
pick up:  We waited until the wind picked up before setting sail. (To increase or improve)
pick up:  Sales are expected to pick up at the end of the year. (To improve)
pick up:  One of the hounds had picked up the scent of a fox. (To detect)

pitch in:  Bob pitched in to help complete the project before the deadline. (To join in with a task or activity)

pitch in:  Some employers pitched in with financial help to get the training scheme going. (To provide help or support)

pitch into:  He would  pitch into anyone who commented that he was uncooperative. (To make physical or verbal attack against someone)

pitch up:  By the time he pitched up, the evening was drawing to a close. (To turn up)

plan on:  She plans on allowing only invited guests at her party. (To decide on something and arrange it in advance)

plan on:  They had not planned on having such bad weather. (To prepare for a future event)

plan out:  We have already planned out the schedule for a week’s outing to the seaside resort. (To make thorough preparation)

play along:  He played along with her suggestion for the time being. (To act so as to make it appear that  you are cooperating when in fact you are not)

play around: He was playing around with a pencil when he talked to me. (To make small movements with something in the hand/s)

play around: She heard a rumour that her boss was playing around with his secretary. (To enter into a casual sexual relationship with a woman)

play at:  Some of the children love to play at cowboys and Red Indians. (To play the role of someone)

play back:  I played back the tape-recorder to listen to my voice with a view to improving it. (To replay something that has been recorded)
play down: The accused’s lawyers played down the seriousness of his offence.(To minimize the true importance of something) 

play off:  The two teams are playing off for a place in the Premier League. (To play in a tie, the winner of which goes to the next stage of the competition) 

play off:  The children are playing off one parent against the other. (To give your support to a person or group to oppose another in a dispute so as to gain an advantage or benefit for yourself)

play on:  He’s always playing on his friends’ generosity to get free treats. (To exploit someone’s way of thinking or feeling in order to benefit oneself)

play up: A pro-government newspaper played up the internal squabble of the main opposition party. (To give undue prominence to something)

play up to:  Many politicians are expert at playing up to the voters to gain their votes. (To please someone for their support) 

play with:  He unconsciously played with his pen while talking to us. (To move something about with no useful purpose)

point out:  The leader pointed out the things we should and shouldn’t do while jungle trekking. (To inform someone of something)

point out:  He pointed his teacher out to his parents. (To make someone notice a person)

point to:  Available evidence points to pilot error as the cause of the crash. (To reach a particular conclusion based on fact which is likely to be true)

point up:  The report pointed up the definite weaknesses in the security arrangements. (To draw attention to something)  

polish off:  David could easily polish off seven different types of fruit at one sitting. (To consume food or drink quickly)

polish off:  As expected, the underdog was polished off in straight sets. (To defeat)
polish off:  His family believed he was polished off by a hit man engaged by his ex-wife. (To kill)

polish up:  We intend to polish up our English in order to know her better. (To improve on a skill)

polish up:  You need to polish up your boots. (To make smooth and shiny by rubbing)