grade insignia vs stripes

grade insignia and stripes both are nouns.

Word	Noun	Adjective	Verb	Adverb
grade insignia	Yes	No	No	No
stripes	Yes	No	No	No

As nouns, grade insignia and stripes are synonyms defined as:

grade insignia and stripes: V-shaped sleeve badge indicating military rank and service

Other synonyms of grade insignia include chevron, stripe.

grade insignia (noun)	stripes (noun)
V-shaped sleeve badge indicating military rank and service	V-shaped sleeve badge indicating military rank and service