Tonologically

All of them influence tonologically the preceding noun in the same way: the qualified noun bears the A tonomorpheme.

Source: wiktionary

[T]he fact that a lexically specifiable subgroup of etyma from within the whole group of *creaky phonation etyma split off tonologically is not surprising by itself, but rather the fact that the tonological outcome of such a development is one of blurred and opaque relationships within the resulting tone pattern.

Source: wiktionary

In some cases, tenses keep this tone contrast, in others these tones are neutralized by either assigning tones to non-toned verb stems or by deleting tones, making all types of verb stems look the same tonologically speaking.

Source: wiktionary

Derivative suffixes marked by an asterisk are tonologically flexible; they do not take a fixed tone but rather vary in their tonal behaviour in accordance with the tonal pattern of the verb stem.

Source: wiktionary