词根词缀：-ably

【来源及含义】Latin: suffix; able manner, capably

【相关描述】Forming adverbs corresponding to adjectives in -able.

【同源单词】ably, acceptably, accountably, accusably, adaptably, admirably

词根词缀：grat-, gra-, grac-

【来源及含义】Latin: beloved, pleasing, dear, agreeable; grateful, thankful, pleased

【同源单词】agree, agreeable, agreeableness, agreeably, agreement, congratulate