Stem كَانُ has 3 unique word forms and appears 269 times in the Quran.

Word Translation Occurrences
كَانُواْ are, (as) they used to, enjoyment they were given, had been, (of what) they used to, they, they (can), they (had) been, they [were], they are, they could, they did, they had, they had been, they have been, they used, they used (to), they used to, they were, they were used to, they will be, they would, used (to), used to, were, were they 418
وَكَانُواْ and are, and became, and become, And they used (to), and they were, and they will be, and used to, and used (to), and were, But they used to, though they used to, though they were 60
كَانُوٓاْ are, they are, they be, they used (to), they were, they were (to), they would be, were 38
فَكَانُواْ and they became, but they were, so they became, they will be 10
وَّكَانُواْ and they used to, and they were 6
وَكَانُوٓاْ and they were 4
كَانُواْۖ they are 2