noun, masculine/feminine/kolaboɾaθjoˈnista/plural: colaboracionistas
colaboracionista is masculine or feminine depending on context in Spanish.
collaborator (one who cooperates traitorously with an enemy)
“Los colaboracionistas fueron tantos...” — There were so many collaborators...
Etymology tree Spanish colaborar Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiōnemlbor. Spanish -ción Spanish colaboración Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istalbor. Spanish -ista Spanish colaboracionista From colaboración + -ista.