１

also 一 · 壱 · 弌

1. numeral, prefix, 壱, 弌 and 壹 are used in legal documents one; 1
2. takes の, suffix best
3. takes の first; foremost
4. noun beginning; start
5. prefix, before a noun a (single); one (of many)
6. noun, card games ace
7. bottom string (on a shamisen, etc.)

ワン

1. numeral one