Seacht n-óige na coille, an aeir, na mara, an talmhan

Seacht n-óige na coille: faoisceog, fuinnseog, sciachóg, beathóg, rudóg [roideog], fearnóg, daróg (vars. dreasóg, saileog)

Seacht n-óige an aeir: amhlóg, ailleog, luaireog, fuideog [feadóg], truideog [druid], spideog, seabhóg [searróg] (vars. buidheog [buíóg], uiseog [fuiseog], fionnóg [feannóg], tonnóg [tonóg])

Seacht n-óige na mara: madóg, hadóg (cadóg), luthróg [leathóg], leideog, faofóg [faochóg], báirneog, claosóg [crosóg] (vars. gobóg, crainneog [gráinneog])

Seacht n-óige an talmhan: iaróg [eareog], flanóg [flannóg], cnamhóg [crumhóg], luchóg (incomplete)

(Omeath, List of words, chiefly from Omeath, and Mid. Ulster by Rev. Lawrence Murray)

—from entry for “-óg, -eog”, Foclóir Gaedhilge agus Béarla, Patrick Dinneen, 1927

Seven “óg” names of the forest: filbert, ash, whitethorn, bog-myrtle, alder, oak (briar, white willow)
Seven “óg” names of the air: jennet, swallow, sea-gull, plover, starling, robin, gunnel (yellow-hammer, lark, hooded crow, duck)
Seven “óg” names of the sea: lamprey, haddock, flat-fish, plaice, periwinkle, barnacle, starfish (eel, urchin)
Seven “óg” names of the earth: pullet, stoat, maggot, mouse