to be on sabbatical

to sack a town

sack

sacred cow

sad but true

I'm sad.

sad

to be in sad/sorry plight

He’s a sad dog

to saddle oneself with something

to saddle oneself with someone/something

to be saddled with someone/something

sadly

Sadly, she didn’t come

Sadness and gladness succeed each other

We're safe in here.

safe sex

to be safe and sounde

to be in safe keeping

to be as safe as houses

as safe as houses

in a safe place

to be safe and sound

safe and sound

It’s safe to say