13-letter words containing d, y, s, a
- parry islands — former name of the Queen Elizabeth Islands.
- passamaquoddy — a member of a small tribe of North American Indians formerly of coastal Maine and New Brunswick and now living in Maine.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- pedal cyclist — a person who rides a pedal cycle, as opposed to a motorcycle
- perissodactyl — having an uneven number of toes or digits on each foot.
- phony disease — a disease of peaches, characterized by dwarfing, dark-green leaves, premature leafing and flowering, and the production of reduced numbers of small fruit, caused by a virus, Nanus mirabilis.
- photodynamics — the science dealing with light and its effects on living organisms.
- phyllocladous — having phylloclades.
- plastic paddy — a person who, although not born in Ireland, is of Irish descent and places great importance on Irishness
- play on words — a pun or the act of punning.
- playing cards — cards used in playing various games, arranged in decks of four suits (spades, hearts, diamonds, and clubs): a standard deck has 52 cards
- polyadelphous — (of stamens) united by the filaments into three or more sets or bundles.
- polydaemonism — the belief in many evil spirits.
- postsecondary — of or relating to education beyond high school: She completed her postsecondary education at a two-year college.
- private study — the act or process of studying outwith classes
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- reality-based — (especially of television) portraying or alleging to portray events as they actually happened.
- residentially — of or relating to residence or to residences: a residential requirement for a doctorate.
- road surveyor — a person who does surveying work for road building
- rogation days — Usually, rogations. Ecclesiastical. solemn supplication, especially as chanted during procession on the three days (Rogation Days) before Ascension Day.
- safety device — A safety device is a piece of equipment such as a fire extinguisher, safety belt, or burglar alarm that reduces loss or damage from a fire, accident, or break-in.
- safety island — an area provided for the safety of pedestrians from vehicular traffic, as between lanes on a busy street or highway.
- sand-yachting — the sport of riding in a sand yacht
- sandfly fever — a usually mild viral disease occurring in hot, dry areas, characterized by fever, eye pain, and sometimes a rash, transmitted by sandflies of the genus Phlebotomus.
- scotland yard — a short street in central London, England: formerly the site of the London police headquarters, which were removed 1890 to a Thames embankment (New Scotland Yard, ).
- scullery maid — a maid whose duties include washing up and vegetable preparation
- secondary era — the period from the beginning of the Triassic to the end of the Cretaceous
- self-advocacy — the practice of having mentally handicapped people speak for themselves and control their own affairs, rather than having nonhandicapped people automatically assume responsibility for them
- self-analyzed — having undergone self-analysis.
- semilegendary — having some historical basis, but legendary in part
- semisedentary — partially or somewhat sedentary
- send away for — order by post
- shetland pony — one of a breed of small but sturdy, rough-coated ponies, raised originally in the Shetland Islands.
- shrove monday — the Monday before Ash Wednesday.
- shrove sunday — the Sunday before Ash Wednesday; Quinquagesima.
- shunting yard — a place where railway coaches are manoeuvred
- sidereal year — year (def 4c).
- six-yard line — the line marking the limits of the goal area
- soapbox derby — a race between children in homemade racing carts
- sodomitically — in a sodomitical manner
- solderability — the characteristic of being solderable
- sound library — a collection of sounds stored on file (for example on CDs, DVDs, or as digital audio files)
- spasmodically — given to or characterized by bursts of excitement.
- spend a penny — to urinate
- sporting lady — a prostitute.
- spotted hyena — a long-legged carnivorous doglike mammal native to Africa and S Asia (Crocuta crocuta)
- spreadability — capable of being spread; easily spread: a soft, spreadable cheese.