action, affair, ambiguous, amenable, apt, article, bail, bailsman, behalf, blackbody, body, bondsman, business, case, cause, chancy, choppy, concern, content, contenting, deal, dicey, difficulty, ding, disposed, doubtful, dubious, emprise, entity, errand, erratic, essence, foggy, gape-seed, given, groggy, guarantee, guarantor, iffy,
inclined, indecisive, insecure, issue, liable, matter, minor, nitty-gritty, nonplussed, nonsolid, nonsolid-state, object, open, parlous, pliable, plot, point, precarious, problem, prone, proneness, purport, purview, questionable, readymade, receptive, sake, shaky, slippery, souvenir, sponsor, stem, subject, subject-matter, substance, sum, supple, susceptible, task, teaspoonful, tenor, tentative, theme, thing, topic, tottery, toward, uncertain, unreliable, unsafe, unsettled, unsound, unsteady, unsure, untrustworthy, vague, voucher, vulnerable, willing