WordNet sense 1 (a member of an indigenous nomadic people living in northern Scandinavia and herding reindeer):

Lapp, Lapplander, Sami, Saame, Saami

WordNet sense 2 (being the exact same one; not any other:):

identical, very, selfsame

WordNet sense 3 (of the same kind or quality):

one

WordNet sense 4 (identically copied from an original):

duplicate, duplicate

WordNet sense 5 (conforming in every respect):

comparable, corresponding, like

WordNet sense 6 (equal in amount or value):

equal, equivalent

WordNet sense 7 (not made or become different):

unchanged