ja 随意 (n)
― Synonym ⟶
Weight: 2.0
nl optioneel Source: JMDict 1.07
fr facultatif (a)
― Synonym ⟶
Weight: 1.0
nl optioneel Source: French Wiktionary
en optional (a)
― Synonym ⟶
Weight: 1.0
nl optioneel Source: English Wiktionary