language unit vs name

language unit and name both are nouns.

Word	Noun	Adjective	Verb	Adverb
language unit	Yes	No	No	No
name	Yes	No	Yes	No

As nouns, name is a hyponym of language unit; that is, name is a word with a more specific, narrower meaning than language unit:

language unit: one of the natural units into which linguistic messages can be analyzed
name: a language unit by which a person or thing is known

Other hyponyms of language unit include discourse, word, syllable, lexeme, morpheme, formative, collocation, phone, sound, speech sound, sign.

language unit (noun)	name (noun)
one of the natural units into which linguistic messages can be analyzed	by the sanction or authority of
	a language unit by which a person or thing is known
	a defamatory or abusive word or phrase
	family based on male descent
	a well-known or notable person
	a person's reputation

language unit (verb)	name (verb)
	determine or distinguish the nature of a problem or an illness through a diagnostic analysis
	identify as in botany or biology, for example
	give the name or identifying characteristics of; refer to by name or some other identifying characteristic property
	assign a specified (usually proper) name to
	make reference to
	mention and identify by name
	give or make a list of; name individually; give the names of
	create and charge with a task or function
	charge with a function; charge to be