temporizer vs delayer

temporizer and delayer both are nouns.

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

As nouns, delayer is a hypernym of temporizer; that is, delayer is a word with a broader meaning than temporizer:

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

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