SR GNT MARK 15:46
 (P=100) πέτρας (petras) Typical English gloss=‘a rock’
 Strongs=40730 Lemma=petra
  Word role=noun Morphology=····GFS: case=genitive gender=feminine number=singular
  Year=33 AD
OET LUKE 8:13 English gloss=‘rock’ SR GNT LUKE 8:13 word 6
OET 1COR 10:4 English gloss=‘rock’ SR GNT 1COR 10:4 word 15
The various word forms of the root word (lemma) ‘petra’ have 3 different glosses: ‘a rock’, ‘rock’, ‘rocks’.