delayer vs temporizer

delayer and temporizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
delayer	Yes	No	No	No
temporizer	Yes	No	No	No

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

delayer: a person who delays; to put off until later or cause to be late
temporizer: someone who temporizes; someone who tries to gain time or who waits for a favorable time

Other hyponyms of delayer include filibuster, filibusterer, cunctator, postponer, procrastinator, temporiser.

delayer (noun)	temporizer (noun)
a person who delays; to put off until later or cause to be late	someone who temporizes; someone who tries to gain time or who waits for a favorable time