daddy longlegs vs crane fly

daddy longlegs and crane fly both are nouns.

Word	Noun	Adjective	Verb	Adverb
daddy longlegs	Yes	No	No	No
crane fly	Yes	No	No	No

As nouns, daddy longlegs and crane fly are synonyms defined as:

daddy longlegs and crane fly: long-legged slender flies that resemble large mosquitoes but do not bite

daddy longlegs (noun)	crane fly (noun)
long-legged slender flies that resemble large mosquitoes but do not bite	long-legged slender flies that resemble large mosquitoes but do not bite
spiderlike arachnid with a small rounded body and very long thin legs