検数 is read as けんすう (kensuu) and means tally.
けんすう
kensuu
けんさてすうりょう
inspection fee
けんさすうじ
check digit
すうがくけんてい
Global Mathematics Certification
じつようすうがくぎのうけんてい
すうけん
けんじ
public prosecutor
けんさ
inspection (e.g. customs, factory)
けんてい
hypothesis testing
けんさつ
examination
けんとう
consideration
けんしょう
verification
けんしん
physical examination