Gregorian chant

kind of medieval church music named after Pope Gregory I (540-604) 格列高利圣　（以教皇格列高利一世之名命名的中世纪圣歌）.

greenery, greenfinch, greenfly, greengage, greengrocer, greenhorn, greenhouse, greenish, greenness, Greenwich, Greenwich Mean Time, greenwood, greet, greeting, greetings, gregarious, gregariously, gregariousness, Gregorian, Gregorian calendar, gremlin, grenade, grenadier, Grenoble, grep, grew, grey, grey (also esp US gray), grey area, grey matter, grey-headed, greybeard, greyhound, greyish, greyish (also esp US grayish), grid, griddle, gridiron, grief, grief-stricken,