12-letter words containing p, i, f, l, n
- self-proving — to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
- self-tapping — (of a screw) cutting its own thread when screwed into a plain hole in a metal sheet
- slumpflation — a situation in which economic depression is combined with increasing inflation
- spiflication — rough treatment
- spinal fluid — cerebrospinal fluid
- spindle file — a device for holding bills, memos, etc., having a projecting metal spike or hooked object on which to stick papers.
- spitefulness — full of spite or malice; showing spite; malicious; malevolent; venomous: a spiteful child.
- spongillafly — spongefly.
- stupefyingly — to put into a state of little or no sensibility; benumb the faculties of; put into a stupor.
- topping lift — a line for raising and supporting a spar, as a yard or boom.
- trypaflavine — acriflavine hydrochloride.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unsimplified — to make less complex or complicated; make plainer or easier: to simplify a problem.
- unworshipful — not worshipful; not showing reverence or admiration