en keystone (n)
― Synonym ⟶
Weight: 1.0
nl sluitsteen Source: English Wiktionary
fr clé de voute (n)
― Synonym ⟶
Weight: 1.0
nl sluitsteen Source: French Wiktionary
fr clef de voûte (n)
― Synonym ⟶
Weight: 1.0
nl sluitsteen Source: French Wiktionary