Proportional, proportionate, commensurate, commensurable are often used without marked distinction because all mean being duly proportioned to something else.
Category: Synonyms
Prone vs Supine vs Prostrate vs Recumbent vs Couchant vs Dormant
Prone, supine, prostrate, recumbent, couchant, dormant are comparable when they mean lying upon a surface (as the ground or a floor).
Promise vs Engage vs Pledge vs Plight vs Covenant vs Contract
Promise, engage, pledge, plight, covenant, contract are comparable when they mean to give one's word that one will act in a specified way (as by doing, making, giving, or accepting) in respect to something stipulated.
Projection vs Protrusion vs Protuberance vs Bulge
Projection, protrusion, protuberance, bulge all denote something which extends beyond a level or a normal outer surface.
Progress vs Progression
Progress, progression are not always clearly distinguished, although they can be more or less sharply differentiated.
Program vs Schedule vs Timetable vs Agenda
Program, schedule, timetable, agenda denote a formulated plan listing things to be done or to take place, especially in their time order.
Profuse vs Lavish vs Prodigal vs Luxuriant vs Lush vs Exuberant
Profuse, lavish, prodigal, luxuriant, lush, exuberant carry as their basic meaning giving out or given out in great abundance.
Proficient vs Adept vs Skilled vs Skillful vs Expert vs Masterly
Proficient, adept, skilled, skillful, expert, masterly are comparable when they mean having the knowledge and experience necessary to success in a given line especially of work or endeavor.
Profane vs Secular vs Lay vs Temporal
Profane, secular, lay, temporal mean not dedicated or set apart for religious ends or uses.
Profanation vs Desecration vs Sacrilege vs Blasphemy
Profanation, desecration, sacrilege, blasphemy can all mean a violation or a misuse of something regarded as sacred.
Product vs Production vs Produce
Product, production, produce are comparable when they denote something produced or brought into being by a process or operation, especially one involving labor or effort.
Procession vs Parade vs Cortege vs Cavalcade vs Motorcade
Procession, parade, cortege, cavalcade, motorcade mean a body (as of persons and vehicles) moving along in order.