to smooth out difficulties/problems

to smooth the way for so.

smoothie/smoothy

to smother a yawn

to smother a village in snow

to smuggle goods into a foreign country

to smuggle goods into the country

He is smugly self-confident

smutty joke

to go snacks in something

to snaffle

at a snail’s pace

It’s snakes and ladders

to snap at a chance

to snap at an idea

to snap at someone

to snap one’s finger at someone

to snap one’s fingers

to snap shut

to snap someone’s nose off

It’s a snap

Snap it up!

Snap out of it!

snap-shot

to snap your fingers