- 増える【ふえる】 - to increase, to multiply 
- 増やす【ふやす】 - to increase, to add to, to augment 
- 増す【ます】 - to increase, to grow 
- 増加【ぞうか】 - increase, rise, growth, addition, increment 
- 増税【ぞうぜい】 - tax increase 
- 増大【ぞうだい】 - enlargement, increase 
- 急増【きゅうぞう】 - rapid increase, proliferation, surge, explosion 
- 増し【まし】 - better, preferable, less objectionable, least-worst, more, increase, extra, increase, growth 
- 倍増【ばいぞう】 - doubling, double 
- 水増し【みずまし】 - dilution, watering down, inflation (of budget, claim, etc.), padding 
- 増減【ぞうげん】 - increase and decrease, fluctuation 
- 日増しに【ひましに】 - day by day 
- 増刷【ぞうさつ】 - additional printing (esp. of books, etc.), additional run 
- 増殖【ぞうしょく】 - increase, multiplication, propagation, proliferation 
- 増強【ぞうきょう】 - reinforcement, augmentation, strengthening, increase, buildup 
- 増額【ぞうがく】 - increase (in an amount of money) 
- 増益【ぞうえき】 - increased (profit) 
- 増収【ぞうしゅう】 - increase in yield 
- 増資【ぞうし】 - increase of capital, issue of new shares 
- 増設【ぞうせつ】 - adding (equipment, facilities, etc.), establishing more, installing more, increase, extension, expansion