pond-skater vs water strider

pond-skater and water strider both are nouns.

Word	Noun	Adjective	Verb	Adverb
pond-skater	Yes	No	No	No
water strider	Yes	No	No	No

As nouns, pond-skater and water strider are synonyms defined as:

pond-skater and water strider: long-legged bug that skims about on the surface of water

Other synonyms of pond-skater include water skater.

pond-skater (noun)	water strider (noun)
long-legged bug that skims about on the surface of water	long-legged bug that skims about on the surface of water