Coill is the Irish word for 'wood', which is a common natural resource found both in Ireland and around the world. If you're fond of writing or just looking to expand your vocabulary, you may be interested in discovering some synonyms for the word 'coill'. Some possible synonyms could include: forest, thicket, grove, copse, woodland, and timberland. Each of these words carries a slightly different connotation, from the lush and verdant atmosphere of a forest to the small and tangled spaces of a thicket. Whatever word you choose, the idea of a coill or wood evokes feelings of natural beauty and peacefulness.