Root ب ط ن(b T n) has 15 unique word forms and appears 25 times in the Quran.

English gloss Hidden, Stomach, Concealed, Inside, Secret

Word Translation Occurrences
بُطُونِ the wombs, (the) wombs 8
بُطُونِهِمۡ their bellies 6
بُطُونِهَا their bellies 4
ٱلۡبُطُونَ the bellies, (their) bellies 4
بَطَنَ is concealed 2
بَطَنَۖ (is) concealed 2
بَطۡنِهِۦ its belly 2
بَطۡنِهِۦٓ its belly 2
بَطۡنِي my womb 2
بُطُونِهِۦ their bellies 2
ٱلۡبُطُونِ the bellies 2
وَبَاطِنَةٗۗ and hidden 2
وَبَاطِنَهُۥٓۚ and the secret 2
بَاطِنُهُۥ its interior 2
وَٱلۡبَاطِنُۖ and the Unapparent 2
بِبَطۡنِ within 2
بِطَانَةٗ (as) intimates 2
بَطَآئِنُهَا (whose) inner linings 2