Umm, how about "shuttle"?
Pepper
Withhold, withheld, fishhook
streetcars
queue
Bleed
Pepper
Exuded or exudes.
Withhold, withheld, fishhook
streetcars
dermal
Deline
queue
Bleed
bladders
spotted, between
duple, ruble
Some six letter words with the same first and fourth letter are:attainbabblebarberchachadeadlydoodaddoodleeateryfluffygarglegooglemammalopposepepperpuppetramrodseasonteethevelvetzigzag