drumhead vs summary

drumhead and summary both are nouns.

Word	Noun	Adjective	Verb	Adverb
drumhead	Yes	Yes	No	No
summary	Yes	Yes	No	No

As adjectives, drumhead and summary are synonyms defined as:

drumhead (noun)	summary (noun)
a membrane that is stretched taut over a drum	a brief statement that presents the main points in a concise form

drumhead (adjective)	summary (adjective)
performed speedily and without formality	briefly giving the gist of something
	performed speedily and without formality