squeals
Nonequivalent is a word. It begins with N and contains the letter Q.
aquifer
aqueous
jonquil
Requiem?
There is not a month that contains the letter q in it .
There is no such word in the Bible.
quality
quinine
queenly
qiviuts
There is no 7-letter word using those letters, but there are two 6-letter options:confabforbad