Here are some 6 letter words ending with T:
Motion is all I can think of
Some six letter words ending in R are:antleranswerbeaverbetterbitterborderbutlerbuttercratercursorcuterfalterfiltergarterhamperhatterhealerheaterhotterjuniorkinderladderlardermurderporterpotter
Some six letter words ending in I are:alkalialumnibanzaibikinikabukipirogisafariscampiwasabi
Six letter words ending in V are improv and maglev.
6 letter words starting and ending with N:napkinnationneuronnotion
Motion is all I can think of
Some six letter words ending in R are:antleranswerbeaverbetterbitterborderbutlerbuttercratercursorcuterfalterfiltergarterhamperhatterhealerheaterhotterjuniorkinderladderlardermurderporterpotter
Some six letter words ending in I are:alkalialumnibanzaibikinikabukipirogisafariscampiwasabi
Some six letter words ending in U are:bureaugateaulandaumilieumuumuu
Six letter words ending in V are improv and maglev.
6 letter words starting and ending with N:napkinnationneuronnotion
Some six letter words ending in K are:attackdamaskembarkhijackremarkshriekshrink
There are no English words ending in "-six", let alone six letter words.
6 letter f words ending with e:fiddlefacadefaminefeeblefoiblefelineficklefigurefinalefizzlefleecefondleforageforseefutilefreezefringefumble
Erohim
Some six letter words starting with A and ending with L are:actualassailanimalartfularmfulannual
banked