Is chosed a word?

No, “chosed” is not a word in standard English. Choose, meaning “pick between options,” is an irregular verb. It doesn’t follow the regular pattern of adding “-ed” to form the past tenses.

The simple past tense form is chose (e.g., “Lily chose to have a gap year before going to university”), and the past participle is chosen (e.g., “We are glad you have chosen to fly with us today”).

You can use the QuillBot Grammar Checker to make sure you are using the past tense of choose correctly.