10-letter words containing i, r, o, n, p
- unreposing — not relaxing, restful, or tranquil
- unsporting — engaging in, disposed to, or interested in open-air or athletic sports: a rugged, sporting man.
- unsuperior — higher in station, rank, degree, importance, etc.: a superior officer.
- upcropping — an act of cropping up; appearance; growth: an upcropping of corn.
- upgrowings — instances of growing upwards
- uppropping — supporting; propping up
- uprootings — acts of uprooting
- urinoscopy — uroscopy.
- usurpation — an act of usurping; wrongful or illegal encroachment, infringement, or seizure.
- vibraphone — vibraharp.
- video-porn — pornographic movies available on videocassette or optical disk, on the Internet, or on subscription television.
- voiceprint — a graphic representation of a person's voice, showing the component frequencies as analyzed by a sound spectrograph.
- waitperson — a waiter or waitress.
- whip-round — When a group of people have a whip-round, money is collected from each person so that it can be used to buy something for all of them or for someone they all know.
- wind power — power derived from wind: used to generate electricity or mechanical power.
- worshiping — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
- wristphone — A mobile phone that is built into a wristwatch.
- xenotropic — (of a virus) able to replicate only in a different animal species from the host
- xiphosuran — any chelicerate arthropod of the subclass Xiphosura, including the horseshoe crabs and many extinct forms
- zero point — the point on a scale that denotes zero and from which positive and negative readings can be made
- zincograph — (formerly) a zinc plate produced by zincography.