fuse indicator regulator vs pom-pom

fuse indicator regulator and pom-pom both are nouns.

Word	Noun	Adjective	Verb	Adverb
fuse indicator regulator	Yes	No	No	No
pom-pom	Yes	No	No	No

fuse indicator regulator (noun)	pom-pom (noun)
an instrument which sets the fuze time on projectiles with mechanical time fuzes.	artillery designed to shoot upward at airplanes
	decoration consisting of a ball of tufted wool or silk; usually worn on a hat