applier vs applicant

applier and applicant both are nouns.

Word	Noun	Adjective	Verb	Adverb
applier	Yes	No	No	No
applicant	Yes	No	No	No

As nouns, applier and applicant are synonyms defined as:

applier and applicant: a person who requests or seeks something such as assistance or employment or admission

applier (noun)	applicant (noun)
a device for applying a substance	a person who requests or seeks something such as assistance or employment or admission
a person who requests or seeks something such as assistance or employment or admission