| 信 |
xìn xī sù | pheromone |
| 信 |
xìn | letter / mail / CL:封 / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random |
| 信 |
xìn xī | information / news / message |
| 息 |
xī | breath / news / interest (on an investment or loan) / to cease / to stop / to rest / Taiwan pr. [xi2] |
| 素 |
sù | raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever |