catfish vs Siluriformes

catfish and Siluriformes both are nouns.

Word	Noun	Adjective	Verb	Adverb
catfish	Yes	No	Yes	No
Siluriformes	Yes	No	No	No

catfish (noun)	Siluriformes (noun)
any of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth	an order of fish belonging to the superorder Malacopterygii including catfishes
large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins
flesh of scaleless food fish of the southern United States; often farmed

catfish (verb)	Siluriformes (verb)
To deceive someone by professing romantic feelings but actually using a false identity