ぜに
zeni

Noun

1. round coin with a (square) hole in the center

Colloquial
Noun

2. coin made of non-precious materials

せん りん大切 たいせつにすれば大金 たいきんはおのずとたまる。
sen rin'o taisetsuni sureba taikinwa onozuto tamaru.
Take care of the pence, and the pounds will take care of themselves.
Noun

3. money

かれのビジネスプランは立派 りっぱだけど、勘定 かんじょうあって ぜに らず、という もするけどね。
kareno bijinesupuranwa rippadakedo kanjō atte sentarazu to iu kimo surukedone.
His business plan looks good on paper but I get the feeling it would never work in practice.