English has borrowed a large number of words and phrases from foreign languages. Here are some of them:
Sauna (Finnish) a hot steam bath in which steam is produced by pouring water on hot stones
Saute (French) a dish that has been fried quickly in hot fat
Savanna (Spanish) an extensive treeless plain
Savant (French) a learned person
Sayonara (Japanese) goodbye
Scenario (Italian) the plot or synopsis of a play, film, opera, or novel or more generally any planned or possible sequence of future events
Schema (Greek) an outline, synopsis, plan, diagram, model or framework of something
Schizophrenia (Greek) a psychotic disorder in which the subject exhibits signs of a split personality
Secretariat (French) the office of secretary, or the clerical or administrative staff of a large organization
Senorita (Spanish) respectful form of address for an unmarried woman, especially in Spanish-speaking countries
Serenade (French) a song or instrumental composition addressed to a lover or other individual. It also refers to a musical composition written for a small instrumental group.
Serviette (French) a table napkin
Shaman (Russian) a priest or healer who communicates with the spirit world
Sharia (Arabic) the body of Islamic law derived from the Koran
Sheikh (Arabic) an Arab chief or other figure of authority
Sherbet (Turkish) a cold drink made with sweetened fruit juice
Sic (Latin) thus, so written as follows (usually indicating that something unlikely, questionable, or misspelled has been copied exactly from the original)
Siesta (Spanish) an afternoon nap or short rest
Silhouette (French) a dark image seen against a lighter background, or the outline of a person or object
Simile (Latin) a figure of speech in which two otherwise dissimilar things are compared as in ‘quiet as a mouse’
Sine qua non (Latin) something essential
Humility is the sine qua non for any religious person.
Sobriquet (French) a nickname or epithet
Sophomore (Greek) a second-year student at a university college
Sotto voce (Italian) under the breath, in a low voice
The attorney made one or two sotto voce observations.
Sous (French) assistant, subordinate, deputy as in ‘sous-chef’
Souvenir (French) a memento, reminder or keepsake
Spectrum (Latin) the band of colours into which light splits when passed through a prism, may also refer to any range or sequence of things, ideas or interests
Sputnik (Russian) an artificial satellite
Staccato (Italian) disconnected, disjointed
Stanza (Italian) a verse or other group of lines from within a longer poem
Status (Latin) a state or condition of someone or something