Erratically and Evenly

adverb

• In an erratic unpredictable manner.
  • usage: "economic changes are proceeding erratically"
  • synonyms: unpredictably

adverb

• In equal amounts or shares; in a balanced or impartial way.
  • usage: "a class evenly divided between girls and boys"; "they split their winnings equally"; "deal equally with rich and poor"
  • synonyms: equally
• In a level and regular way. .

(adv.) With an even, level or smooth surface; without roughness, elevations or depression; uniformly; equally; comfortably; impartially; serenely.