zoological science vs syphon

zoological science and syphon both are nouns.

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

zoological science (noun)	syphon (noun)
the branch of biology that studies animals	a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
	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

zoological science (verb)	syphon (verb)
	convey, draw off, or empty by or as if by a siphon