Phalangium opilio vs harvestman

Phalangium opilio and harvestman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phalangium opilio	Yes	No	No	No
harvestman	Yes	No	No	No

As nouns, Phalangium opilio and harvestman are synonyms defined as:

Phalangium opilio and harvestman: spiderlike arachnid with a small rounded body and very long thin legs

Other synonyms of Phalangium opilio include daddy longlegs.

Phalangium opilio (noun)	harvestman (noun)
spiderlike arachnid with a small rounded body and very long thin legs	spiderlike arachnid with a small rounded body and very long thin legs