Synonyms of drilling

1 Syllable
teach, break, hone, drill
2 Syllables
instruct, clearcut, mining, quarrying, schooling, prepping, teaching, tuneup, tune-up, work-out
3 Syllables
instruction, accustom, practice, rehearse, instructions
4 Syllables
propagandism, exercise, self-mastery, tutelage, pedagogy, educations, education, habituate, discipline
5 Syllables
apprenticeship