garden symphilid vs arthropod

garden symphilid and arthropod both are nouns.

Word	Noun	Adjective	Verb	Adverb
garden symphilid	Yes	No	No	No
arthropod	Yes	No	No	No

As nouns, arthropod is a hypernym of garden symphilid; that is, arthropod is a word with a broader meaning than garden symphilid:

garden symphilid: minute arthropod often infesting the underground parts of truck-garden and greenhouse crops
arthropod: invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin

garden symphilid (noun)	arthropod (noun)
minute arthropod often infesting the underground parts of truck-garden and greenhouse crops	invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin