15-letter words containing r, o, p, e, y
- semipornography — partial pornography; material that is almost pornographic
- sepoy rebellion — the Indian Mutiny of 1857–58
- septentrionally — northwards; in the direction of the north
- serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.
- simple majority — less than half of the total votes cast but more than the minimum required to win, as when there are more than two candidates or choices.
- sinorespiratory — of, relating to, or affecting the paranasal sinuses and the respiratory tract.
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- spiny cocklebur — a cocklebur, Xanthium spinosum, introduced into North America from Europe.
- stereotypically — in a stereotypical manner
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subreptitiously — in a subreptitious manner
- sully-prudhomme — René François Armand [ruh-ney frahn-swa ar-mahn] /rəˈneɪ frɑ̃ˈswa arˈmɑ̃/ (Show IPA), 1839–1907, French poet: Nobel prize 1901.
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
- surreptitiously — obtained, done, made, etc., by stealth; secret or unauthorized; clandestine: a surreptitious glance.
- symmetric group — the group of all permutations of a finite set.
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- synectics group — a group of people of varied background that meets to attempt creative solutions of problems through the unrestricted exercise of imagination and the correlation of disparate elements.
- system operator — a person who maintains a computer system or network, especially one who operates a computer bulletin board.
- telephotography — photography of distant objects, using a telephoto lens.
- thalassotherapy — the use of sea water and marine products as a therapeutic treatment
- theatre company — an organization that produces theatrical performances
- theory of types — a theory advanced by Bertrand Russell to avoid the liar paradox, Russell's paradox, etc, in which a class of expressions or of the entities they represent can all enter into the same syntactic relations
- thermogeography — the study of the geographical variation and distribution of temperature.
- threepennyworth — an amount having the value or price of threepence
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- treaty of paris — a treaty of 1763 signed by Britain, France, and Spain that ended their involvement in the Seven Years' War
- turnkey project — a complete project usually including many major units of plant completed under one overall contract, such as a chemical works or power station complex
- umbrella policy — An umbrella policy is a policy that provides excess limits and gives additional excess coverage over the normal limits and coverage of liability policies.
- unary operation — an operation in a mathematical system by which one element is used to yield a single result, as squaring or taking the square root.
- uncomplementary — forming a complement; completing.
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- uncooperatively — in an uncooperative or unhelpful manner
- uncopyrightable — not able to be copyrighted
- underemployment — employed at a job that does not fully use one's skills or abilities.
- unpretentiously — without pretension
- unprogressively — in an unprogressive manner
- up to your ears — If you are up to your ears in something, it is taking up all of your time, attention, or resources.
- up to your eyes — If you say that you are up to your eyes in something, you are emphasizing that you have a lot of it to deal with, and often that you are very busy.
- upwardly mobile — See under vertical mobility (def 1).
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- water pennywort — any of numerous perennial herbs of the genus Hydrocotyle, of the parsley family, having rounded leaves and living in water or marshy places.
- xerographically — In a xerographic way; by xerography.
- xeroradiography — an x-ray utilizing a specially coated plate that allows a picture to be developed without the use of liquid chemicals.
- yorke peninsula — a peninsula in S Australia between Spencer Gulf and the Gulf of St. Vincent. 160 miles (257 km) long and 20–35 miles (32–56 km) wide.
- young pretender — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.