How to say "Miscalculation" in Japanese

When translating "miscalculation" into Japanese, you must choose carefully between 見込み違い and 思惑違い. In Japanese, 見込み違い (みこみちがい (mikomichigai)) is typically associated with "miscalculation, misjudgment, unexpected outcome" (Syllabus Level: N2) and represents Used when expectations or predictions turn out to be wrong, or when there's an unforeseen deviation from a plan. Often implies a negative or problematic outcome. 見込み. On the other hand, 思惑違い (おもわくちがい (omowakuchigai)) maps to "miscalculation; misjudgment; expectations not met" (Syllabus Level: N2) and represents Refers to a situation where one's expectations, predictions, or intentions turn out to be different from reality, often leading to disappointment or negative consequences.. A literal translation of "miscalculation" can often sound unnatural to native Japanese speakers if mixed up!