hair clip vs hair slide

hair clip and hair slide both are nouns.

Word	Noun	Adjective	Verb	Adverb
hair clip	Yes	No	No	No
hair slide	Yes	No	No	No

As nouns, hair slide is a hyponym of hair clip; that is, hair slide is a word with a more specific, narrower meaning than hair clip:

hair clip: any of various clasps and clips used for holding hair in place.
hair slide: a decorative hinged clip that girls and women put in their hair to hold it in place

Other hyponyms of hair clip include claw clip, hair clamp, hair claw.

hair clip (noun)	hair slide (noun)
any of various clasps and clips used for holding hair in place.	a decorative hinged clip that girls and women put in their hair to hold it in place