ninety ninth noble noisy northern noun nowadays nowhere nurse

organized/organised(1996)obey (1997)offering (2000) ordinary(2006) opposite (2008)

object ocean occur o'clock October official operate opinion orange otherwise outdoor(s) ox (pl. oxen)

persuaded(1996) practical(1997) pressure(1997) preparing(1998) passengers(1999) pilots (2000) palace(2005) praised(2007) pink(2007) pillow (2009)

push/ press (2009)

pack packet pale pan paragraph pardon parent Paris park part particular passage passer-by (pl.) patient pattern pause peaceful pear peasant penny percent perfect perform perhaps personal photo/ photograph physics picnicked pie pile pillow pin pioneer pipe plain plastic platform pleasant plough pole political politics pollution population pork port position possession possibly post postcard pot potato pound pour powder power practice practise praise precious prefer present president press pretend pretty prevent pride probably production professor program/ programme progress promise proper protect proud provide pump pupil pure purpose purse

quality(1996)

quantity quarrel quarter queen

realistic(1997)recently(1999)recognised/ized(1999)

restaurants(1999) recognize (2008) regular(2008)

race railway raise rapid ray realize/realize record recover refer regard regret relation relative remain remove reply republic request require respect review revolution ripe roll root

rough row rubber rubbish ruler rush Russia(n)

spring(1997) straight(1997) Saturday(1998)