Lapplander vs Lapp

Lapplander and Lapp both are nouns.

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

As nouns, Lapplander and Lapp are synonyms defined as:

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

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

Lapplander (noun)	Lapp (noun)
a member of an indigenous nomadic people living in northern Scandinavia and herding reindeer	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