6-Letter Word-Change one or two letters make a new word

cleats

seated

Taser

tracer

Taser was 5 letters. Tracer is thus invalid. Going back to SEATED.

Stadia

diatom

Outdid

I was assuming a second S for a plural but forgot to post that fact, Pops.

tiddle

saddle

paddle

palate

topple

apples

sleepy

please

supple

suplex

expels

expert

pepper