Word that sounds like its middle letter (3)
I believe the answer is:
are
'word that sounds like its middle letter' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for are that I've seen before include "(We/you/they) exist" , "(We/they/you) exist" , "Is, in the plural" , "is for more than one" , "Era (anag.)" .)