同一 どういつ
dōitsu shi

Noun
Suru Verb

1. viewing and treating as one; regarding as the same; equating one thing with another; identification

Transitive
ナショナリズムをファシズムと同一 どういつ してはいけない。
nashonarizumuo fashizumuto dōitsushi shitewa ikenai.
You can't equate nationalism with fascism.