4-letter words containing i, s
- saic — http://saic.com.
- said — Security Association ID
- sail — an area of canvas or other fabric extended to the wind in such a way as to transmit the force of the wind to an assemblage of spars and rigging mounted firmly on a hull, raft, iceboat, etc., so as to drive it along.
- sain — to make the sign of the cross on, as for protection against evil influences.
- sais — an ancient city in N Egypt, on the Nile delta: an ancient capital of Lower Egypt.
- saki — Alice (Laidlaw) [leyd-law] /ˈleɪdˌlɔ/ (Show IPA), born 1931, Canadian short-story writer.
- sami — Lapp.
- sapi — 1. (programming) Speech Application Programming Interface. 2. (programming) Scheduling Application Programming Interface. 3. (networking) Service Access Point Identifier.
- sari — a garment worn by Hindu women, consisting of a long piece of cotton or silk wrapped around the body with one end draped over the head or over one shoulder.
- sasi — Small Computer System Interface
- sati — the wife of Rudra, who immolated herself following a quarrel between her father and her husband.
- sci. — science
- scid — severe combined immune deficiency; a serious condition in which babies are born with reduced numbers of T- and B-lymphocytes, which impairs their immune systems and makes them susceptible to severe infections and cancer
- scpi — Standard Commands for Programmable Instruments
- scsi — Small Computer System Interface
- seif — a long narrow sand dune parallel to the prevailing wind direction.
- seil — to strain
- seir — a fish, Cybidium guttatum, of Indian seas belonging to the mackerel family
- semi — semitrailer (def 1).
- seri — a member of an American Indian people of western Sonora state, Mexico, on the Gulf of California.
- seti — Search for Extraterrestrial Intelligence; the attempt to detect signals, esp radio waves or light, from an intelligent extraterrestrial source
- sfbi — Shared Frame Buffer Interconnect (Intel)
- shia — a member of one of the two great religious divisions of Islam that regards Ali, the son-in-law of Muhammad, as the legitimate successor of Muhammad, and disregards the three caliphs who succeeded him.
- shim — a thin slip or wedge of metal, wood, etc., for driving into crevices, as between machine parts to compensate for wear, or beneath bedplates, large stones, etc., to level them.
- shin — the 13th letter of the Arabic alphabet.
- ship — a romantic relationship between fictional characters, especially one that people discuss, write about, or take an interest in, whether or not the romance actually exists in the original book, show, etc.: popular ships in fan fiction.
- shit — excrement; feces.
- shiv — a knife, especially a switchblade.
- sial — the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust.
- siam — former name of Thailand (def 1).
- sian — Older Spelling. Xian.
- sibo — SIxteen Bit Organisers
- sica — Vittorio [vi-tawr-ee-oh,, -tohr-;; Italian veet-taw-ryaw] /vɪˈtɔr iˌoʊ,, -ˈtoʊr-;; Italian vitˈtɔ ryɔ/ (Show IPA), 1901–74, Italian motion-picture director, producer, and actor.
- sice — (in India) a groom; stable attendant.
- sick — afflicted with ill health or disease; ailing.
- sicl — Standard Instrument Control Library
- sida — any plant of the Queensland hemp genus Sida
- side — one of the surfaces forming the outside of or bounding a thing, or one of the lines bounding a geometric figure.
- sidh — a mound or hill in which fairies live.
- sids — a male or female given name, form of Sidney or Sydney.
- sien — a scion; descendant
- sift — to separate and retain the coarse parts of (flour, ashes, etc.) with a sieve.
- sig. — signature
- sigh — to let out one's breath audibly, as from sorrow, weariness, or relief.
- sign — a token; indication.
- sijo — a Korean lyric poem consisting of three lines
- sika — a small, reddish deer, Cervus nippon, native to eastern Asia: most populations are endangered.
- sike — a small stream.
- sikh — a member of a monotheistic religion, founded in the Punjab c1500 by the guru Nanak, that refuses to recognize the Hindu caste system or the Brahmanical priesthood and forbids magic, idolatry, and pilgrimages.
- sild — (in Scandinavia) any of numerous species of herring.