are you sure its c?
it could be
'Seam'
but that's all i can think of
ease, edge, Eire, else.
circumnavigate
latten
Repaste
It is occurrence.
A word that starts with y and ends with y is yay .
Ease, Erse, Eire, else, eave, Elbe, edge, Edie, Esme, Evie
Sandman (starts with S ends with N - 7 letter word)
An eight letter word that starts with S and ends with T: satiristshortestsmallestsmarteststagnantstalwartstiffeststridentsubtract
A seven letter word that starts with D and ends with T: decrypt
Cash is a 4 letter word that starts with c and ends with h.
Domain is one of the words that starts with the letter D and ends with the letter N.