Alternative spelling of O-level

Alternative form of trilevel

(military, US) A person who has qualified for "Craftsman" level of skill in the United States Air Force, with more training than "Journeyman" (five-level), but less than a "Superintendent" (nine-level)

Alternative spelling of multilevel

Alternative form of Y level

Alternative form of grunt-level

Alternative form of bilevel

Alternative form of bilevel

Alternative form of levelling staff

Abbreviation of testosterone level. (as a measure of a man's health)