en trigintennial
― EtymologicallyRelatedTo ⟶
Weight: 0.25
la ennium Source: English Wiktionary
en decennial
― EtymologicallyRelatedTo ⟶
Weight: 0.25
la ennium Source: English Wiktionary
en millennium
― EtymologicallyRelatedTo ⟶
Weight: 0.25
la ennium Source: English Wiktionary