Sami vs Lapplander

Sami and Lapplander both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sami	Yes	No	No	No
Lapplander	Yes	No	No	No

As nouns, Sami and Lapplander are synonyms defined as:

Sami and Lapplander: a member of an indigenous nomadic people living in northern Scandinavia and herding reindeer

Other synonyms of Sami include Lapp, Saame, Saami, Same.

Sami (noun)	Lapplander (noun)
the language of nomadic Lapps in northern Scandinavia and the Kola Peninsula	a member of an indigenous nomadic people living in northern Scandinavia and herding reindeer
a member of an indigenous nomadic people living in northern Scandinavia and herding reindeer