1) Cthulhu Mythos game 2) Eerie 3) Exclusively Anglo word 4) Exclusively Saxon word 5) Spooky 6) Supernatural 7) Uncanny 8) Unearthly 9) Weird 10) Word of purely Anglo origin 11) Word with Anglo-Saxon origins Found on https://www.crosswordclues.com/clue/eldritch
weirdadjective suggesting the operation of supernatural influences; `an eldritch screech`; `the three weird sisters`; `stumps...had uncanny shapes as of monstrous creatures`- John Galsworthy; `an unearthly light`; `he could hear the unearthly scream of so... Found on https://www.encyclo.co.uk/local/20974