kazu wo kazoeru 数を数える（かずをかぞえる） to count
- sūbyō 数秒 ....several seconds
- sūfun 数分 .... several minutes
- sūjikan 数時間 .... several hours
- sūjitsu 数日 .... several days
- sūshū 数週 .... several weeks
- sūkagetsu 数ヶ月 .... several months
- sūnen 数年 .... several years
- shōsū 小数 .... a decimal
- bunsū 分数 .... a fraction
- teisū 定数 .... a constant
- sosū 素数 .... a prime number
- kisū 奇数 .... an odd number
- gūsū 偶数 .... an even number
