de niobite (n)
― FormOf ⟶
Weight: 1.0
de niobit Source: English Wiktionary
de niobiten (n)
― FormOf ⟶
Weight: 1.0
de niobit Source: English Wiktionary
de niobits (n)
― FormOf ⟶
Weight: 1.0
de niobit Source: English Wiktionary