“Watch” is to observe. eg watch a game, watch the girls go by. “Watch out” means beware eg watch out for falling rocks,

watch out for sharp edges. hope this helps.

run out — to come to an end, expired

watch out – to be alert

Fill out – to complete a form by filling in the blanks

“Please fill out this form.”

Make out – kissing & hugging etc, OR to try to see or hear clearly

“Some kids make out at the movies.

“I can’t make out what he is saying.”

Break out – to get a skin rash or pimples

“Why do I break out before a date?”

Give out – to quit working, or to become exhausted

“My car gave out.”

“I’m just about to give out!”

Time out – to stop the clock for a moment

“I need to call a time out.”

Wait out – to not participate, or to wait longer for something to happen.

“I’m going to wait this dance out.”

“She had to wait out the rainstorm to get to her car.”

Zone out – to lose track of your thoughts for a moment.

“Sorry, I zoned out there for a minute.”

Wipe out – to fall down, especially while surfing;

“Man, he really wiped out on that wave.”

Pass out – to hand something out to a group; to become unconscious.

“Please pass out the books.”

“It’s so hot in here, I think I’ll pass out.”

Wimp out – to quit in a cowardly manner; also known as “punking out.”

“Why did you wimp out on me during the fight?”

Figure out – to try to understand.

“I’m going to figure out this crossword puzzle.”

Fake out – to fool or deceive someone, currently meaning to fakely make out (!)

“I wouldn’t really hit you; I just faked you out.”

“They’re not really kissing, it’s just a fake-out.”

Play out – to finish or use up.

“Let’s play the game out.”

“These batteries are played out.”

Go out – to cheat on someone.

“My boyfriend is going out on me.”

Trick out – dress up or accessorize something.

“His car is really tricked out.”

I’m sure there are many more. These are idiomatic expressions, and the only way to learn them is one at a time as you encounter them. There may even be a book that lists them. Isn’t English fun! Good luck!