I would guess that by American you mean English? If you mean the native American languages then no, of course not. English is not Latin based either, though many English words come from Latin. English, like most western languages uses the latin alphabet.
No words in the English language contain the letters "gyt".
After about 1634.
None, there is no such letters in the English language.
There are no English words that contain all the letters of the alphabet.
Belize (a Central American nation)
In American Sign Language (ASL), there are no uppercase or lowercase letters. Instead, fingerspelling is used to spell out words letter by letter using handshapes representing the corresponding letters of the alphabet. The size or orientation of the handshapes do not indicate capitalization.
To sign "salmon" in American Sign Language, you would fingerspell the letters S-A-L-M-O-N.
To sign "gray" in American Sign Language (ASL), you would fingerspell the letters G-R-A-Y.
There are words that contain the letters nn. However, there are no words in the English language that begin with nn.
Y and Z are the last letters in the alphabet. W and J were the last letters to be added to the alphabet. Originally, the letter U was also used to represent the W sound, and the letter I to represent the J sound.
The longest word in the English language without a vowel is "rhythms." It has seven letters and does not contain any vowels.
There are about 450 Languages spoken in India and about 700 different Native American languages. But there is no such language as "Indian".