iter
ceca, the plural of cecum.
Rete is a four-letter word for network. While the anatomical word is plexus, the crossword-puzzle word is rete.
Ova.
sac
aisle
Route.
A four letter word starting with the letter a is able.
Chimney ,
Adit
Lard is a four letter word for grease.
That Four-Letter Word was created in 2006.
A four letter word for 'in addition to' is also.