分

1. noun, suffix part; portion; share
2. suffix amount; worth (as in "two days' worth"); enough (for)
3. noun one's means; one's place; one's lot; one's social position
4. one's duty; one's part
5. condition; state (of affairs); extent; rate (as in "at this rate")
6. noun, adverb in proportion to; just as much as; to the same degree
7. suffix content (e.g. alcohol); percentage
8. equivalent to (e.g. an old brother)

ぶ

1. numeral one-tenth; one percent (one-tenth of a wari); 3 mm (one-tenth of a sun); 2.4 mm (one-tenth of a mon, a traditional unit used to measure shoe sizes); 0.1 degree (one-tenth of a do, used to measure body temperature on any temperature scale)
2. noun one-quarter of a ryō (obsolete unit of currency)
3. thickness
4. advantageous circumstances
5. one-tenth of a monme of silver

ふん

1. noun minute (unit of time)
2. fun (one tenth of a monme, 5.787 grains)