This could be an insult.
a 6 letter word ending with a w is borrow.
Some six letter words ending in I are:alkalialumnibanzaibikinikabukipirogisafariscampiwasabi
6-letter words ending in Z include: kibitz ersatz pizazz
jigsaw The 6 letter word ending with w is hollow, sorrow, pillow, etc.
6 letter words starting and ending with N:napkinnationneuronnotion
Genius is a 6 letter word ending in ius
Some six letter words ending in U are:bureaugateaulandaumilieumuumuu
6 letter f words ending with e:fiddlefacadefaminefeeblefoiblefelineficklefigurefinalefizzlefleecefondleforageforseefutilefreezefringefumble
Some six letter words ending in 'rse' are:aversecoarsecoursehearsesparse
Some six letter words ending in K are:attackdamaskembarkhijackremarkshriekshrink
BehoofHereofReroofUnroof.