I got comment to request that needs to translate "Willpower" to Kanji.
So I show you the some answers.
"Willpower"" can be translated to "ISIRYOKU","KETUDANRYOKU","JISEISIN","SEISINRYOKU"or"TOUSI" in Japanese.
[Let's break it down]
| pronounce | "ISIRYOKU" |
| Kanji |  |
| translation | "volition/volitional power/will/will power/willing heart/willpower" |
[Let's break it down]
| pronounce | "KETUDANRYOKU" |
| Kanji |  |
| translation | "decision/volition/will power/willpower" |
[Let's break it down]
| pronounce | "JISEISIN" |
| Kanji |  |
| translation | "will power/willpower" |
[Let's break it down]
| pronounce | "SEISINRYOKU" |
| Kanji |  |
| translation | "emotional strength/inner strength/mental strength/spiritual strength/strength of mind/thew/will power/willpower" |
[Let's break it down]
| pronounce | "TOUSI" |
| Kanji |  |
| translation | "fight/fighting morale/fighting spirit/gimp/militancy/will power/willpower" |


If there are some Kanji you want to know, Please let me know.
I will show you it by priority.