Correct spelling, explanation: this is the correct form, due to Latin origin: from prefix ex-(out from + -cellere (rise high) – excellentem. Thus excellent is the correct spelling. At the same time, excellant is incorrect. The only correct form is excellent.

Definition of excellent:
adjective, exceptional, admirable
He did an excellent job last time, I think we can offer him a raise.
– How did you like the film? – It was excellent.

Incorrect spelling, explanation: excellant is an incorrect spelling, and excellent is the correct one, because of the origins of the word: excellentem (Latin). In Latin spelling there is an e not a in the spelling, therefore in English, the correct form is excellent.

Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling