An occurrence of events that happen at the same time by chance but seem to be meaningfully related.

संयोग

English Usage: "It was just a coincidence that we both were at the same restaurant on the same night."

Hindi Usage: "यह एक संयोग ही था कि हम दोनों एक ही रात को उसी रेस्तरां में थे।"

A mistake or inaccuracy.

A deviation from accuracy or correctness.

गलतफहमी

English Usage: "There was an error in the calculations provided."

Hindi Usage: "जो गणनाएँ दी गई थीं, उनमें एक गलतफहमी थी।"