argasid vs soft tick

argasid and soft tick both are nouns.

Word	Noun	Adjective	Verb	Adverb
argasid	Yes	No	No	No
soft tick	Yes	No	No	No

As nouns, argasid and soft tick are synonyms defined as:

argasid and soft tick: tick lacking a dorsal shield and having mouth parts on the under side of the head

argasid (noun)	soft tick (noun)
tick lacking a dorsal shield and having mouth parts on the under side of the head	tick lacking a dorsal shield and having mouth parts on the under side of the head