“Deed / Skill” in Japanese is 伎, read gi, ki, waza (ぎ, き, わざ, わざおぎ). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 歌舞伎 (kabuki).
What does 伎 mean?
Same sound, different character — the classic trap. Compare them side by side: