quir, quis, quest, quer:

seek, ask

Latin, quaerere: seek, ask

query =  (verb): to ask questions

rupt:

break

Latin, rumpere: break

rupture =  (verb): to break or burst

sci, scio:

to know

Latin, scire: to know

conscious =  (adjective): aware, having knowledge of oneself

scrib, scrip:

write

Latin, scribere: to write

script =  (noun): handwriting, something written

sent, sens:

feel, think

Latin, sentire: feel

sentiment = (noun): a thought prompted by feeling

sequ, secut, sue:

follow

Latin, sequi: to follow

sequence = (noun): a continuous series

sist: 

to withstand, make up

Latin, sistere: to make a stand

insist =  (verb): to be firm about something needed, to demand

soci: 

to join, companions

Latin, sociare, socius: to join, a companion

sociable =  (adjective): inclined to seek friendship, companionship

sol:

alone

Latin, solus: alone, single

solitary =  (adjective): being alone

solv, solu, solut:

loosen, explain

Latin, solvere: too loosen, release

solve = (verb): to find an answer

spec, spi, spic, spect:

look

Latin, specere: look, look at

spectator =  (noun): a person who watches

spir:

breath, soul

Latin, spirare: breathe

respiration =  (noun): breathing

stab, stat: 

stand

Latin, stare: to stand

stature =  (noun) - height of a standing body, importance of position

strain, strict, string, stige:

bind, pull

Latin, stringere: to bind or pull tight

constrict =  (verb) - to squeeze, to make narrow

stru, struct, stroy:

build

Latin, struere: to build

construct = (verb): to build or put together