gerbil
rodent?
Minnow is a six letter word meaning small fish.
Morsel
nibble
One word I can think of is bedsit. Another is studio.Both are small-roomed residences.
Titbit: also tidbit: small amountTomtit: a small bird.
Anthem is a six letter word ending with them.
The only 6 letter word ending in 'heh' is Akcheh, which is a small Turkish coin.
A six letter word for 'snake' is python.
Morsel
One six-letter word with "m" as the second letter is "flame."
Accord is a six letter word. Accrue is another six letter word.