| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| silkworms secrete fibre made of | 1.24 | 0.5 | 9528 | 97 |
| what are silkworms made out of | 0.59 | 0.9 | 7099 | 95 |
| silk made from silkworms | 0.2 | 0.4 | 9699 | 46 |
| is silk made of worms | 1.56 | 0.4 | 7288 | 29 |
| how silk is produced from silkworm | 0.8 | 0.4 | 9792 | 82 |
| how does silkworms make silk | 1.53 | 1 | 5780 | 26 |
| how is silk obtained from silkworm | 0.11 | 0.6 | 5906 | 84 |
| silk comes from silkworms | 1.28 | 1 | 8167 | 19 |
| how do silkworms produce silk | 0.92 | 0.3 | 2711 | 8 |
| how much silk does a silkworm produce | 0.79 | 1 | 197 | 89 |
| silk gland of silkworm | 0.46 | 0.5 | 4129 | 90 |
| silk from silkworm process | 1.5 | 0.2 | 4991 | 4 |
| how to make silk from silkworm | 1.29 | 1 | 6000 | 89 |
