Wisteria and whoopla are words. They begin with the letter w and end with a.
Democratic, disc, doc, dogmatic, drastic and diplomatic are words. They begin with D and end with C.
The only word i can think of right now is:
Garlic
Idiotic, idyllic, ironic and iconic.
workaholic
workaholic
Cash is a 4 letter word that starts with c and ends with h.
Czar is a 4 letter word. It begins with C and ends with R.
civiccoliccomic
chaotic
Canada
cardiac
Cabomba
Arc
workaholic
egotistic
Cussing
combat