fluke vs trematode worm

fluke and trematode worm both are nouns.

Word	Noun	Adjective	Verb	Adverb
fluke	Yes	No	No	No
trematode worm	Yes	No	No	No

As nouns, fluke and trematode worm are synonyms defined as:

fluke and trematode worm: parasitic flatworms having external suckers for attaching to a host

Other synonyms of fluke include trematode.

fluke (noun)	trematode worm (noun)
parasitic flatworms having external suckers for attaching to a host	parasitic flatworms having external suckers for attaching to a host
either of the two lobes of the tail of a cetacean
flat bladelike projection on the arm of an anchor
a barb on a harpoon or arrow
a stroke of luck