paraldehyde vs aldehyde

paraldehyde and aldehyde both are nouns.

Word	Noun	Adjective	Verb	Adverb
paraldehyde	Yes	No	No	No
aldehyde	Yes	No	No	No

As nouns, aldehyde is a hypernym of paraldehyde; that is, aldehyde is a word with a broader meaning than paraldehyde:

paraldehyde: a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent
aldehyde: any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

paraldehyde (noun)	aldehyde (noun)
a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent	any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids