English Grammar and Vocabulary Learning : Formation of Words – Adjectives From Nouns Part 4.
198. Offence : Offensive
199. Office : Official
200. Oil : Oily
201. Order : Orderly
202. Origin : Original
203. Ornament : Ornamental
204. Pain : Painful, Painless
205. Palace : Palatial
206. Paper : Papery
207. Parent : Parental
208. Pardon : Pardonable
209. Passion : Passionate
210. Patriot : Patriotic
211. Peace : Peaceful
212. People : Popular, Populous
213. Peril : Perilous
214. Person : Personal
215. Picture : Picturesque
216. Pity : Pitiable, Piteous, Pitiful, Pitiless
217. Play : Playful
218. Poet : Poetic, Poetical
219. Pomp : Pompous
220. Power : Powerful, Powerless
221. Practice : Practical
222. Poison : Poisonous
223. Pole : Polar
224. Praise : Praiseworthy
225. Price : Precious
226. Pride : Proud
227. Prince : Princely
228. Profit : Profitable
229. Proverb : Proverbial
230. Province : Provincial
231. Quarrel : Quarrelsome
232. Queen : Queenly
233. Question : Questionable
234. Rain : Rainy
235. Reason : Reasonable
236. Religion : Religious
237. Remark : Remarkable
238. Respect : Respectable, Respectful
239. Risk : Risky
240. Rock : Rocky
241. Rose : Rosy
242. Ruin : Ruinous
243. Saint : Saintly
244. Sand : Sandy
245. Scholar : Scholarly
246. School : Scholastic
247. Science : Scientific
248. Season : Seasonable
249. Sense : Sensible, Sensitive
250. Service : Serviceable
251. Shade : Shady
252. Shame : Shameful, Shameless
253. Sight : Sightly
254. Silk : Silken, Silky
255. Silver : Silvery
256. Skill : Skilful
257. Skin : Skinny (Very Thin)