trainee

As nouns the difference between internship and trainee

is that internship is a job taken by a student in order to learn a profession or trade while trainee is someone who is still in the process of being formally trained in a workplace.

As nouns the difference between trainee and pupil

is that trainee is trainee while pupil is (legal|obsolete) an orphan who is a minor and under the protection of the state or pupil can be (anatomy) the hole in the middle of the iris of the eye, through which light passes to be focused on the retina.

Trainor is likely misspelled.

Trainor has no English definition.

As a noun trainee is

someone who is still in the process of being formally trained in a workplace.

As nouns the difference between trainee and traineeship

is that trainee is someone who is still in the process of being formally trained in a workplace while traineeship is the condition of, or the time served by, a trainee; training.