Fault

"Fault" in Japanese

せい

sei

(culpability; responsibility)

せい

sei

(mistake or error)

断層

dansō

(geology: fracture)

欠点

ketten

(defect)

欠陥

kekkan

(defect)

誤り

ayamari

(mistake or error)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.