Vietnamese is the proper adjective for Vietnam.
Someone from Israel is called an "Israeli".
The proper adjective for the proper noun Italy is Italian.
Danish is the proper adjective for Denmark.
Laotian is the proper adjective for Laos.
Iranian is the proper adjective for Iran.
Portuguese is the proper adjective for Portugal.
The proper adjective for Germany is German. The word German is also a demonym for a person from Germany, or for the primary language of Germany.
Germanic is the proper adjective related to the German language.
Scottish is the proper adjective for Scotland.
Lebanese
Iraqi is the proper adjective for Iraq.
Indian is the proper adjective for India.
Mexican is the proper adjective for Mexico. It is also the noun (demonym) for a native or resident of Mexico. In Spanish, the adjective form is mexicano and is not capitalized.
Finnish
The proper adjective for Nepal is Nepalese, as in Nepalese mountain ranges.
The proper adjective is Colombian.
Sudanese
France is a proper noun. French is a proper adjective.
The proper adjective to describe someone or something from Ireland is Irish, a proper adjective.
The proper adjective form is Parisian.
Pakistani is the proper adjective for Pakistan.
joyful is an adjective.
There is no proper adjective for joy. Proper adjectives are only formed from proper nouns eg
Canada - proper adjective is Canadian.
Shakespeare - proper adjective is Shakespearean.
No, Texas is a proper noun. The proper adjective for Texas is Texan.