Stumped by Crossword Clue? Crack the Language Suffix!

Stumped by Crossword Clue? Crack the Language Suffix! - ESE
Language suffix

Japanese, for example
Filipino, for example
Portuguese, for example
Cantonese, for example
Maltese, for example
Vietnamese, for example
Guarani, for example
Welsh, for example
Yoruba, for example
Sundanese, for example

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