etc.), respectively.

In addition to the distribution of phonesthemes, linguists consider their motivation. In some cases, there may appear to be good sound-symbolic reasons why phonesthemes would have the form they have. In the case of "-ack", sharing the phonestheme may be the result of such events potentially producing a similar sound. However, critically there are many phonesthemes for which there can be no sound-symbolic basis, such as "gl-", for the simple reason that their meanings (such as 'pertaining to light or vision') entail