Did you mean: daxi diji dixia dish diqi dizi ?
| 低 | dī xī | low-interest | 
| 底 | dǐ xì | inside information / the ins and outs of the matter / how things stand / what's up | 
| 嫡 | dí xì | direct line of descent / under one's personal command / school or faction passing on faithfully one's doctrine | 
| 弟 | dì xí | younger brother's wife; sister-in-law |