単強化訓「r」

(ｐｅｒｊｕｒｅｒｓ)

perjurers

(ｐｅｒｆｏｒｍｅｒ)

performer

(ｍｕｒｄｅｒｅｒｓ)

murderers

(ｆｏｒｗａｒｄｅｒ)

forwarder

(ａｒｂｉｔｒａｒｙ)

arbitrary

(ｔｒｅａｓｕｒｅｒｓ)

treasurers

(ｔｅａｒｊｅｒｋｅｒ)

tearjerker

(ｐｒｏｔｒａｃｔｏｒ)

protractor

(ｐｒｏｐｒｉｅｔｏｒ)

proprietor

(ｐｒｏｇｒａｍｍｅｒ)

programmer

(ｐｒｏｇｒａｍｅｒｓ)

programers

(ｐｒｏｃｕｒａｔｏｒ)

procurator

(ｐｒｅｓｅｒｖｅｒｓ)

preservers

(ｐｒｅｒｅｃｏｒｄｓ)

prerecords

(ｐｒｅｃｕｒｓｏｒｓ)

precursors

(ｐｅｒｆｏｒｍｅｒｓ)

performers

(ｎｏｒｔｈｅｒｎｅｒ)

northerner

(ｆｏｒｅｒｕｎｎｅｒ)

forerunner

(ｃａｒｂｕｒｅｔｏｒ)

carburetor

(ａｒｂｉｔｒａｔｏｒ)

arbitrator

(ｕｎｄｅｒｗｒｉｔｅｒ)

underwriter

(ｔｒａｎｓｐｏｒｔｅｒ)

transporter

(ｔｒａｎｓｆｏｒｍｅｒ)

transformer

(ｔｅａｒｊｅｒｋｅｒｓ)

tearjerkers

(ｓｃｒｅｗｄｒｉｖｅｒ)

screwdriver

(ｐｒｏｔｒａｃｔｏｒｓ)

protractors

(ｐｒｏｐｒｉｅｔｏｒｓ)

proprietors

(ｐｒｏｐｒｉｅｔａｒｙ)

proprietary

(ｐｒｏｏｆｒｅａｄｅｒ)

proofreader

(ｐｒｏｇｒａｍｍｅｒｓ)

programmers

(ｐｒｏｃｕｒａｔｏｒｓ)

procurators

(ｐｒｅｒｅｇｉｓｔｅｒ)

preregister

(ｐｒｅｒｅｃｏｒｄｅｄ)

prerecorded

(ｐｒｅｐａｒａｔｏｒｙ)

preparatory

(ｐｏｒｔｒａｉｔｕｒｅ)

portraiture

(ｐｅｒｐｅｔｒａｔｏｒ)

perpetrator

(ｐａｒａｔｒｏｏｐｅｒ)

paratrooper

(ｎｏｒｔｈｅｒｎｅｒｓ)

northerners

(ｍｏｒｔａｒｂｏａｒｄ)

mortarboard

(ｉｎｔｅｒｐｒｅｔｅｒ)

interpreter

(ｈａｉｒｄｒｅｓｓｅｒ)

hairdresser

(ｇｒｅｅｎｇｒｏｃｅｒ)

greengrocer

(ｆｕｒｔｈｅｒｍｏｒｅ)

furthermore

(ｆｒｏｎｔｒｕｎｎｅｒ)

frontrunner

(ｆｒａｎｋｆｕｒｔｅｒ)

frankfurter

(ｆｏｒｅｖｅｒｍｏｒｅ)

forevermore

(ｆｏｒｅｒｕｎｎｅｒｓ)

forerunners

(ｆｉｒｅｃｒａｃｋｅｒ)

firecracker

(ｃａｒｂｕｒｅｔｏｒｓ)

carburetors

(ａｒｂｉｔｒａｔｏｒｓ)

arbitrators

(ａｒｂｉｔｒａｒｉｌｙ)

arbitrarily

(ａｉｒｗｏｒｔｈｉｅｒ)

airworthier

(ａｆｔｅｒｂｕｒｎｅｒ)

afterburner

(ｕｎｄｅｒｗｒｉｔｅｒｓ)

underwriters

(ｔｒａｎｓｐｏｒｔｅｒｓ)

transporters

(ｔｒａｎｓｇｒｅｓｓｏｒ)

transgressor

(ｔｒａｎｓｆｏｒｍｅｒｓ)

transformers

(ｓｕｐｅｒｃｈａｒｇｅｒ)

supercharger

(ｓｈａｒｅｃｒｏｐｐｅｒ)

sharecropper

(ｓｃｒｉｐｔｗｒｉｔｅｒ)

scriptwriter

(ｓｃｒｅｗｄｒｉｖｅｒｓ)

screwdrivers

(ｓｃｒｅｅｎｗｒｉｔｅｒ)

screenwriter

(ｐｒｏｐｒｉｅｔｒｅｓｓ)

proprietress

(ｐｒｏｏｆｒｅａｄｅｒｓ)

proofreaders

(ｐｒｅｖａｒｉｃａｔｏｒ)

prevaricator

(ｐｒｅｒｅｇｉｓｔｅｒｓ)

preregisters

(ｐｒｅｒｅｃｏｒｄｉｎｇ)

prerecording

(ｐｏｒｎｏｇｒａｐｈｅｒ)

pornographer

(ｐｅｒｐｅｔｒａｔｏｒｓ)

perpetrators

(ｐａｒａｔｒｏｏｐｅｒｓ)

paratroopers

(ｎｅｕｒｏｓｕｒｇｅｒｙ)

neurosurgery

(ｍｏｒｔａｒｂｏａｒｄｓ)

mortarboards

(ｍｉｃｒｏｓｕｒｇｅｒｙ)

microsurgery

(ｉｎｔｅｒｐｒｅｔｅｒｓ)

interpreters

(ｈａｉｒｄｒｅｓｓｅｒｓ)

hairdressers

(ｇｒｅｅｎｇｒｏｃｅｒｓ)

greengrocers

(ｆｒｏｎｔｒｕｎｎｅｒｓ)

frontrunners

(ｆｒａｎｋｆｕｒｔｅｒｓ)

frankfurters

(ｆｉｒｅｃｒａｃｋｅｒｓ)

firecrackers

(ｅｎｔｒｅｐｒｅｎｅｕｒ)

entrepreneur