loose / luce are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
loose: (adjective) not compact or dense in structure or arrangement. (adjective) (of a ball in sport) not in the possession or control of any player. (adjective) not tight; not closely constrained or constricted or constricting. (adjective) not tense or taut. (adjective) (of textures) full of small openings or gaps. (adjective) not carefully arranged in a package. (adverb) without restraint.
luce: (noun) United States publisher of magazines (1898-1967). (noun) United States playwright and public official (1902-1987).
loose: l·UW·s
luce: l·UW·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)