Table S6.
Analysis of word-initial position bias
| Concept | Symbol | Bias | Lineages |
| Bite | k | 0.20 | 42 |
| Bone | k | 0.09 | 162 |
| Breasts | u | −0.06 | 185 |
| Breasts | m | 0.05 | 152 |
| Ear | k | 0.07 | 159 |
| Fish | a | 0.05 | 249 |
| Full | b | 0.11 | 81 |
| Full | p | 0.12 | 100 |
| Horn | r | −0.23 | 82 |
| Horn | k | 0.15 | 115 |
| Knee | o | 0.10 | 177 |
| Knee | p | 0.09 | 104 |
| Knee | k | 0.07 | 177 |
| Knee | q | 0.19 | 35 |
| Leaf | l | −0.14 | 120 |
| One | n | −0.07 | 175 |
| Red | r | −0.24 | 28 |
| Tongue | l | −0.09 | 160 |
Bias measure how more or less frequently the symbol appears in word initial position for that concept. Lineages counts how many lineages had at least one language for which the analysis could be performed. See Materials and Methods for more details.