de periodensystems
― FormOf ⟶
Weight: 1.0
de periodensystem (n) Source: German Wiktionary
de periodensysteme (n)
― FormOf ⟶
Weight: 1.0
de periodensystem Source: English Wiktionary
de periodensystems (n)
― FormOf ⟶
Weight: 1.0
de periodensystem Source: English Wiktionary