| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| irregular past tense age of acquisition | 0.71 | 0.3 | 9499 | 50 | 39 |
| irregular | 0.5 | 0.7 | 6431 | 22 | 9 |
| past | 0.01 | 0.6 | 9988 | 57 | 4 |
| tense | 1.47 | 0.1 | 6704 | 23 | 5 |
| age | 1.94 | 0.6 | 7603 | 1 | 3 |
| of | 0.64 | 1 | 1889 | 72 | 2 |
| acquisition | 1.17 | 0.6 | 2123 | 26 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| irregular past tense age of acquisition | 0.39 | 0.6 | 1877 | 29 |
| irregular past tense verbs age of acquisition | 1.13 | 0.4 | 6960 | 94 |
| regular past tense verbs age of acquisition | 0.04 | 0.8 | 7063 | 4 |
| irregular plurals age of acquisition | 0.14 | 0.5 | 6131 | 26 |
| past tense of acquisition | 1.98 | 0.9 | 6034 | 67 |
| the age of acquisition | 1.56 | 0.4 | 2934 | 9 |
| pronoun age of acquisition | 1.89 | 0.1 | 5694 | 98 |
| irregular past tense verbs developmental age | 1.08 | 0.5 | 4739 | 79 |
| word acquisition by age | 0.09 | 0.4 | 4718 | 40 |
