presence (present, presentable, presentation, presently) press
presumably (probably) presume (presumption) prevalent
previous (preceding) prey
price (value, worth)
priceless (invaluable, valuable, valueless, worthy, worthwhile) prick
prime (primary, primitive)
priority (prestige, privilege, superiority) prism
privacy (private)
proceed (proceeding, procedure, process, procession; progress, progression, progressive) produce (product, production)
profession (occupation, vocation, career, job, work) profile
profound (profuse) prognosis
project (projection; operation, program, undertaking) prolapse
prolong (protract) propagate
property (character, characteristic, feature, nature, trait) proportion (proportional, proportionate) proposal (proposition) prosecute
prospect (prospective)
provide (provision, provident, provisional) proximity pulmonary pursue (pursuit) Q
qualify (disqualify, unqualified) qualitative (quantitative) quarterly
queer (weird, eerie) quench
quest (question, query) question (issue problem) questionnaire quit quota
R rack
radiate (radial, radical, radius) radioactive rail
raise (arise, rise, elevate, hoist, lift) rally (sally, tally) ramble range rare (raw) rate (ratio) rational
react (respond) rebuke
recall (retire, retreat)
receiver (receipt, receptacle, receptionist, receptor, recipient) recipe reciprocal
reck (reckless, reckon) reconcile
recover (restore) redundant refer (reference) refrain
refuse (decline, refute reject) regard (regarding, regardless) regional (local) regular (routine)
regulation (law, regularity, rule) rehearsal reign relay relief
relieve (alleviate, lessen, lighten) remainder (remains, remnant) render
renew (anew, newly) repeal
reproach (reprove, reprimand) requisite
residence (family, home, house) residual resign
resolve (resolute, resolution)
resort resourceful
respectable (respected, respectful, respective) restless (restful, restive) restrain ( constrain, restrict) retard rheumatism rhinitis rid
right (rightful, righteous) rigid (stiff) rival
roll (turn, revolve, rotate, reel) rough (tough) S
safe (secure) sandwich sanitary saturation say scalp scan (skim)
schedule (plan, plot, scheme) scrap (scrape) screen script scrub sea
search (seek)
secret (secrete, secretive) sedative (sediment) segregation seize (snatch)
sensation (sense, sentiment, hit)
sensational (sensible, sensitive, sentimental, sensory, sensual, sensuous) sequela (sequel) serial shabby
shade (shadow; shady, shadowy)
shake (quake, quiver, shiver, shock, shudder, tremble, vibrate, oscillate) sharp shear
shed (shelter, shield shy, shun, shunt shut shutter) sheer
shine (polish) shock (surprise) shoot (shot) shovel
show (demonstrate, manifest, present) shrink sigmoid
signature (autograph)
significant (plain, apparent, conspicuous evident, obvious, marked, remarkable, visible) silent (quiet, still) similarity (resemblance) simple (plain)
single (singular, sole, only) sinus
skilled (skillful) slack
slide (slip, slippery, sly, sleek, slick, skid) slight (belittle, ignore, neglect) slim (slender) slit (slot)
smell (aroma, flavo(u)r, fragrance, scent) sober
sole (solemn, solid, solidify, consolidate, solitary) soluble (solvent) somatic somebody sometime sound spare species
specificity (specification) speck
spectator (audience, viewer) speed (velocity) spend (expend) splay
split (cleave, separate) spokesman (speaker)
spray (sprawl, spring, sprinkle, sprout, spill) stab
stable (steady, sturdy) staff (stuff) stagger stake