whip scorpion vs whip-scorpion

whip scorpion and whip-scorpion both are nouns.

Word	Noun	Adjective	Verb	Adverb
whip scorpion	Yes	No	No	No
whip-scorpion	Yes	No	No	No

As nouns, whip scorpion and whip-scorpion are synonyms defined as:

whip scorpion and whip-scorpion: nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger

whip scorpion (noun)	whip-scorpion (noun)
nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger	nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger