This is the 67th most frequent Japanese word.
行っ
The word "行っ" is the stem form of the verb "行く" (iku), meaning "to go."
The word '行き' forms part of '行き詰まる' (ikidzumaru), a compound verb meaning 'to reach an impasse or deadlock', showcasing a metaphorical use.
時間が経つにつれて、考えが行き詰まった。
As time passed, my thoughts became blocked.
The word '行っ' is part of the verb '行った' (itta), which is the past tense form of '行く' (iku), meaning 'to go', showing an action that has been completed.
私は昨日、映画館に行った。
I went to the cinema yesterday.
The word '行' appears as part of '行こう' (ikou), which is the volitional form of '行く' (iku), expressing an intention or suggestion to go.