siphon vs zoological science

siphon and zoological science both are nouns.

Word	Noun	Adjective	Verb	Adverb
siphon	Yes	No	Yes	No
zoological science	Yes	No	No	No

siphon (noun)	zoological science (noun)
a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled	the branch of biology that studies animals
a tube running from the liquid in a vessel to a lower level outside the vessel so that gravity forces the liquid through the tube

siphon (verb)	zoological science (verb)
move a liquid from one container into another by means of a siphon or a siphoning action
convey, draw off, or empty by or as if by a siphon