[おおき, ooki](pref) (1) (arch) great; grand; large; (2) (also written as 正) (See 従・ひろき) greater (of equal court ranks); upper; senior; (n, adj-na) (3) (See 大きに) a great deal; very much#3899[Add to Longdo]
[おおい, ooi](pref) (1) (arch) (also written as 正) (See 従・ひろい) greater (of equal court ranks); upper; senior; (n, adj-na) (2) (See 大いなる, 大いに) a great deal; very much[Add to Longdo]