I’ve forwarded your e-mail to Vladimir

He fought it tooth and nail

to foul one’s own nest

It’s foul weather today

I found out yesterday.

I found the receipt among my papers.

I found out the truth.

to be found in large numbers

to be found out

I found my phone.

found money

I found you.

He found the house.

He found plenty of work to do

founder of a new business

fountainhead

four-in-hand tie

four hundred

Four times a year the harvest is done.

four years

Four weeks before the performance, we began dress rehearsals

four times

Four is an even number

Four eyes see more than two

four-letter word