| Share | Phrase |
| 46.59% | learned [character] value |
| 11.63% | learned [character] kref |
| 5.19% | learned [character] quantity |
| 4.60% | learned [character] kevapref |
| 3.36% | learned [character] amount |
| 3.18% | learned [character] rref |
| 3.06% | learned [character] region |
| 3.05% | learned [character] means |
| 1.75% | learned [character] phossx |
| 1.42% | learned [character] density |
| 1.33% | learned [character] coefficient |
| 1.25% | learned [character] kgj |
| 1.25% | learned [character] kprtref |
| 0.93% | learned [character] step |
| 0.92% | learned [character] dpcslrn |
| 0.87% | learned [character] area |
| 0.83% | learned [character] kblrc |
| 0.83% | learned [character] krefi |
| 0.83% | learned [character] phosm |
| 0.75% | learned [character] plref |
| 0.66% | learned [character] cstdy |
| 0.66% | learned [character] feedback |
| 0.65% | learned [character] flag |
| 0.58% | learned [character] fgpgc |
| 0.58% | learned [character] kg |
| 0.58% | learned [character] tlt |
| 0.58% | learned [character] vkg |
| 0.50% | learned [character] pnf |
| 0.50% | learned [character] prref |
| 0.50% | learned [character] rec |
| 0.43% | learned [character] measurement |