spat vs Lamellibranchia

spat and Lamellibranchia both are nouns.

Word	Noun	Adjective	Verb	Adverb
spat	Yes	No	Yes	No
Lamellibranchia	Yes	No	No	No

spat (noun)	Lamellibranchia (noun)
a young oyster or other bivalve	oysters, clams, scallops, mussels
a cloth covering (a legging) that covers the instep and ankles
a quarrel about petty points

spat (verb)	Lamellibranchia (verb)
clap one's hands together
spawn
engage in a brief and petty quarrel
clap one's hands or shout after performances to indicate approval
strike with a sound like that of falling rain
become permanently attached
come down like raindrops