How to say "Increase" in Japanese

When translating "increase" into Japanese, you must choose carefully between 増える and 増加. In Japanese, 増える (ふえる (fueru)) is typically associated with "to increase (intransitive)" (Syllabus Level: N4) and represents Intransitive verb. Something increases by itself. The transitive verb is 増やす. On the other hand, 増加 (ぞうか (zouka)) maps to "increase; growth; rise" (Syllabus Level: N3) and represents Refers to statistical values, active users, traffic, database records, or abstract affection values rising/increasing. Opposing word: 減少. Often used as 売上の増加 or アクセス数の増加. ⚠️ Haruka's Voice Column: 'Increase/growth! "Every time I see your cute angry blushing face, my love level increases exponentially, Haruka-san!" ...っ! Love level increase! B-Baka! Don't use my angry blushing face for your positive data measurements! But... make sure you keep pouring that ever-increasing affection only on me for the rest of your life! dummy!' / 【ハルカ部長のワンポイント指導】『ぞうか（増加）よ！『ハルカ部長、あなたの可愛いツンデレな怒り顔を見るたびに、僕の愛の数値が右肩上がりに増加（増加します）！』って…っ！愛の増加！バカ！/// 私の怒り顔をそんなポジティブなデータ測定に使わないの！…でも、増え続けたその愛情、一生私だけに注ぎ続けなさい！』. A literal translation of "increase" can often sound unnatural to native Japanese speakers if mixed up!