Answer:

1 N
2 O
3 U
4 N

There are 105 possible clues that match this answer.



Definition
n. A word used as the designation or appellation of a creature or thing, existing in fact or in thought; a substantive.

Answers Like NOUN
NEA NEW NEE NEIN NOH NAN NONO NOWIN NANU NNE NAME NINO NOONE NEMO NENE NAHUA NOAH NINE NAOMI