| Word | Reading | Meaning |
| 普及 | ふきゅう | diffusion, spread |
| 及ぶ | およぶ | to reach, to amount to, to befall, to happen to, to extend; to be up to the task, to come up to; to compare with, to be a match (for); to commit (a crime); to require (to do) (usu. used in the negative) |
| 追及 | ついきゅう | investigation (e.g. into someone's guilt), questioning, pressing, hounding, pinning down; catching up, overtaking |
| 言及 | げんきゅう | reference, allusion |
| 波及 | はきゅう | spread, extension, influence, aftereffect, ripple |
| 及ぼす | およぼす | to exert, to cause, to exercise |
| 及び腰 | およびごし | bent back, indecisive attitude |
| 及第 | きゅうだい | passing an examination |
| 及び | および | and, as well as |
| 可及的 | かきゅうてき | as ... as possible |