In reply to your 4/28 post what's in a name? (fivedoves.com) 

Abaddon in English means "destruction," and in Latin, Abaddon remains "Abaddon" according to the link at How to say abaddon in Latin (wordhippo.com) In Arabic, it is "Aljahim" according to the link at How to say abaddon in Arabic (wordhippo.com)

Apollyon in English means "destroyer," and "Apollyon" in Latin remains "Apollyon" according to the link at apollyon (wordhippo.com) In Arabic, it is "Abulyun" according to the link at apollyon (wordhippo.com)

Armageddon in Latin is "Hermagedon" according to the link at How to say Armageddon in Latin (wordhippo.com) and in Arabic, it is "Alkaritha," "halbat qital," or "harmjidun" according to the link at How to say Armageddon in Arabic (wordhippo.co