host vs medical specialty

host and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
host	Yes	No	Yes	No
medical specialty	Yes	No	No	No

host (noun)	medical specialty (noun)
an animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association	the branches of medical science that deal with nonsurgical techniques
(computer science) a computer that provides client stations with access to files and printers as shared resources to a computer network
a vast multitude
any organization that provides resources and facilities for a function or event
archaic terms for army
the owner or manager of an inn
a person who acts as host at formal occasions (makes an introductory speech and introduces other speakers)
a person who invites guests to a social event (such as a party in his or her own home) and who is responsible for them while they are there
(medicine) recipient of transplanted tissue or organ from a donor

host (verb)	medical specialty (verb)
be the host of or for