S sacred sacrifice sad sadness safe safety sail sailing sailor salad salary sale salesgirl salesman saleswoman salt salty salute same sand sandwich satellite satisfaction satisfy Saturday sauce saucer sausage savage save say saying scan scar scare scarf scene scenery schedule scholar scholarship school school leaver schoolbag schoolboy schoolgirl schoolmate science scientific scientist scissors scold score scores Scotland Scottish scratch scream screen sculpture sea seagull seal seaman search seashell seaside season seat seaweed second second  secondhand secret secretary section secure security see seed seek seem seize seldom select self self-service selfish sell semicircle seminar send senior sense sensitive sentence separate separately separation September serious servant serve service session set settle settlement settler seven seventeen seventeenth seventh seventieth seventy several severe sew sex shabby shade shadow shake shall shallow shame Shanghai shape share shark sharp sharpen sharpener shave shaver she sheep sheet shelf shelter shine ship shirt shock shoe shoot shooting shop shop assistant shopkeeper shopping shore short shortcoming shortly shorts shot should shoulder shout show shower shrink shut shuttle shy sick sickness side sideroad sideway sideways sigh sight sightseeing sign signal signature significance silence silent silk silly silver similar simple simple-minded simplify simply since sincerely sing Singapore Singaporean singer single sink sir sister sister-in-law sit situation six sixteen sixteenth sixth sixtieth sixty size skate skateboard skeptical ski skilful skill skilled skillfully skin skip skipping rope skirt sky skyscraper slave slavery sleep1 sleep2 sleepy sleeve slice slide slight slim slip slow small smart smell smelly smile smog smoke smoke-free smoker smoking smooth snack snack bar snake snatch sneakers sneeze sniff snow snowball snowman snowy so soap sob soccer social socialism socialist society sock socket sofa soft soft drink softball software soil solar soldier solid solve some somebody somehow someone something sometimes somewhere son song soon sorrow sorry sort soul sound soup sour south South Africa South African South Korea southeast southern southwest souvenir sow space station spaceship spade Spain Spanish spare sparrow speak speaker spear special specialist specific speech speed spell spelling spend spin spirit spiritual spit splendid split spoken spokesman / woman sponsor spoon spoonful sport spot spray spread spring spy square squeeze squirrel stable stadium staff stage stain stainless stair stamp stand standard star stare start starve starvation state statement statesman/woman stateswoman station statistics statue status stay steady steak steal steam steel steep step step-mother steward stewardess stick still stocking stomach stomachache stone stop stopwatch storage store storm story stout stove straight straightward strait strange stranger straw strawberry stream street strength strengthen stress strict strike string strong struggle stubborn student studio study stupid style subject subjective submit subscribe substitute succeed success successful such suck sudden suffer suffering sugar suggest suggestion suit suitable suitcase suite summary summer sun sunburnt Sunday sunglasses sunlight sunny sunset sunshine super superb superior supermarket supper supply support suppose supreme sure surface surgeon surprise surround surrounding survey survival survive suspect suspension surplus swallow swap swear sweat sweater Sweden Swedish sweep sweet swell swift swim swimming swimming pool swing Swiss switch Switzerland sword symbol sympathy symphony symptom system systematic