quality = ec-o (202); (texture, etc.), kvalito.
quantity = kvant-o; any --, a certain --, iom (217); see table, 235.
quarter = (of a city), kvartal-o; (fourth), kvaron-o; --ly, trimonat-a.
question = demand-o; (problem), problem-o; (doubt), dub-o.
quick = rapid-a; (lively), viv-a.
quiet = kviet-a, trankvil-a, silent-a.
quince = cidoni-o.
quite = (adv.), tut-e.
quote = cit-i.