回文: palindrome

needed, necessary

need, necessity

that which when read from start to end or end to start results in the same phrase; a palindrome. In Japanese, the sound unit is the mora, and voicing constraints are ignored.

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

世界平和: world peace

快人: a male given name / 快斗: a male given name / 怪斗: a male given name / 海人: a male given name / 海斗: a male given name

会派: faction

改任: / 解任: / 懐妊:

in vain