There are no English words that meet the criteria.
Here are your only options:
3-letter words
had
4-letter words
chad, shad
5-letter words
jehad, jihad
5 words
Headed is the six letter word that starts with an h and ends with ed.
a 6 letter word ending with a w is borrow.
Genius is a 6 letter word ending in ius
jigsaw The 6 letter word ending with w is hollow, sorrow, pillow, etc.
BehoofHereofReroofUnroof.
afloatbobcatcombatdefeatformatnonfatreheatrepeatthreatthroatunseat
A 6 letter word for an offensive remark ending with t is cumquat.
DETTOL
league
yogurt
patron
filthy
powwow