十九, 19, 一九, じゅうきゅう
Numeric
nineteen, 19
七, 7, 漆, しち, なな, ひち, な
Numeric, 漆 is used in legal documents
seven
私は今朝7時に起きた。
三年, 3年, さんねん
three years
彼が亡くなって三年になります。
の
Particle, See 乃, occasionally ん, orig. written 乃 or 之
1. indicates possessive
2. nominalizes verbs and adjectives
See が・1
3. substitutes for "ga" in subordinate phrases
often ん
4. (at sentence-end, falling tone) indicates a confident conclusion
Female term or language
5. (at sentence-end) indicates emotional emphasis