eat away: Termites have eaten away much of the woodwork on the outside of the empty house. (To gradually reduce or damage something)   
eat in:  I am cooking tonight so we are eating in. (To have a meal at home)
eat into: The high bills are eating into my savings. (To decrease the amount of something)
eat out:  It’s your birthday; let’s eat out and celebrate tonight. (To not eat at home but somewhere else such as a restaurant)
eat up:  Who ate up all my potato chips? (To eat all of something)

egg on:  The boys didn’t want to fight but their friends kept egging them on. (To encourage or to incite to action)

end in:  Their argument ended in a fist fight. (To finish in a particular way)

end up:  The driver took a wrong road and we ended up somewhere else. (To land up in an unwelcome situation or place)

endear to:  Her friendly attitude endeared her to everybody she met at the social gathering. (To make someone beloved)

face up to:  He has to face up to the fact that he has to study hard to pass the exam. (To accept and deal with an unpleasant situation)

face with:  The scientist was faced with many unknown factors. (To have to deal with)

fall about:  When the plump lady started dancing, the kids fell about laughing. (To laugh uncontrollably)

fall apart:  The wooden bridge that has fallen into disuse is falling apart. (To break down into pieces)
fall apart:  His world fell apart when his wife left him. (To suffer serious emotional problems)
fall away:  At the back of the castle, the land falls away to lush green pastures. (To slope downwards) 
fall away:  The storm caused some of the tiles to fall away from the roof. (To break off and drop to the ground)
fall back: The soldiers had to fall back as they came under attack. (To move back)  
fall back on:  She has her big savings to fall back on if need be. (To rely on something when confronted with a difficult situation)
fall behind:  I’d better hide the car as I have fallen behind in my payments. (To fail to keep up with payments)
fall down: He stumbled and fell down the stairs. (To fall to the ground) 
fall for:  He couldn’t help always falling for women in uniforms. (To feel love for)
fall for:  I fell for it when she told me she was unmarried. (To deceive into believing)
fall in:  Poor construction caused the roof and ceiling fall in after a year. (To drop or collapse inwards)
fall in:  The soldiers fell in line before the commanding officer. (To move into neat lines in military formation)
fall in with:  They appeared willing to fall in with the leader’s suggestions. (To accept and not disagree)
fall in with:  While on a cruise, the couple fell in with a group of other passengers. (To become friendly with someone)
fall into:  She fell into the habit of talking to herself. (To start doing something without any intention)
fall into:  He fell into an argument with a stranger about queue-jumping. (To get involved in something without intending to)
fall into:  Since he bought a new bike, his bicycle has fallen into a poor condition due to neglect. (To become progressive worse in condition due to not being taken care of)
fall off:  Business along the main road fell off after a series of public demonstrations. (To decrease)
fall off:  Specks of paint have been falling off the wall at the back of the house. (To come apart from the main part)
fall on:  In his new job, the responsibility for machine maintenance falls on him. (To make someone assume a responsibility or duty)
fall on:  Suspicion fell on the butler that he might have murdered the female servant. (To suspect someone of wrong doing)
fall on/upon: The rebels fell on/upon a group of soldiers and held them hostage. (To launch a sudden attack)
fall out:  Sarah fell out with her boyfriend after knowing her for only two months. (To have a quarrel)
fall out:  His hair started falling out after he contracted an unknown illness. (To come out)
fall over:  Bob stepped on a banana skin and fell over. (To fall onto the ground)
fall over:  They built a tall sandcastle and it fell over. (To fall onto its side)
fall through:  The deal fell through and they agreed to renegotiate. (To fail)
fall to:  It fell to the eldest son to manage the family business after the death of their father. (To give someone responsibility for something)

fill in:  We found someone to fill in for Sarah when she was away on medical leave. (To serve in place of another person)

fill in:  The students were asked to fill in a questionnaire on the environment. (To gather information)
fill out:  We had to fill out the job application forms and hand them in as soon as possible. (To provide information as required by completing something such as a form)
fill up:  The stadium was filling up with spectators as the start of the match drew closer. (To become more and more full with people or things)

fit in:  The new member has learned quickly to fit in with the others. (To feel accepted or belonged to a group)

fit out:  The entire building was fitted out with air conditioners but they were not working. (To provide with things that are needed such as equipment, etc)
fit up: We decided to work from home and had the attic fitted up as the office. (To equip a room or building for a particular purpose) 
fit up:  His family and friends believed he had been fitted up for the crime. (To make an innocent person seem guilty)

fix on:  They have finally  fixed on a venue for the fund-raising event. (To pick out as being the best place for a planned purpose)

fix up: We have to fix the spare room up for our guests. (To renovate and redecorate)
fix up:  Their friend has fixed up a time and place for them to resolve their differences. (To arrange a meeting, etc)
fix up:  He was happy that his friends had fixed him up with a pretty girl. (To provide a romantic partner)
fix up:  They are fixing us up with a reasonably priced hotel to stay. (To provide something to someone)

follow along: Whenever I listen to that song, I couldn’t help following along with it. (To do or move at the same time as something else)

follow around:  Quit following me around, will you? (To keep following someone)
follow through:  Ensure the report is followed through so that all amendments are included. (To continue an action or task to its conclusion)
follow up:  The investigation was followed up with the arrest of the gang leader. (To continue with a course of action so as to increase the chances of success)