thither vs there

thither is not a noun while there is a noun.

Word	Noun	Adjective	Verb	Adverb
thither	No	No	No	Yes
there	Yes	No	No	Yes

As adverbs, thither and there are synonyms defined as:

thither (noun)	there (noun)
	a location other than here; that place; location, medial pronoun; demonstrative pronoun, location; quantifier: demonstrative determiner, distal; demonstrative pronoun, location; quantifier: demonstrative determiner, singular, distal

thither (adverb)	there (adverb)
to or toward that place; away from the speaker	in or at that place or location
	to or toward that place; away from the speaker
	in that matter; in that respect; on that point