complaint vs jeremiad

complaint and jeremiad both are nouns.

Word	Noun	Adjective	Verb	Adverb
complaint	Yes	No	No	No
jeremiad	Yes	No	No	No

As nouns, jeremiad is a hyponym of complaint; that is, jeremiad is a word with a more specific, narrower meaning than complaint:

Other hyponyms of complaint include grievance, grumble, grumbling, murmur, murmuring, mutter, muttering, kvetch, pet peeve, whimper, whine.

complaint (noun)	jeremiad (noun)
an expression of grievance or resentment	a long and mournful complaint
(formerly) a loud cry (or repeated cries) of pain or rage or sorrow
(civil law) the first pleading of the plaintiff setting out the facts on which the claim for relief is based
(criminal law) a pleading describing some wrong or offense
an often persistent bodily disorder or disease; a cause for complaining