Although not all his suggested usages were adopted, his work has allowed insight into the historical phonetics of French.
2.
Liberman's best-known works are in Germanic historical phonetics, English etymology, mythology / folklore, the history of philology, and poetic translation.
3.
He made many discoveries in Ukrainian historical phonetics, such as the primordial d ~ < dj alteration, the so-called second pleophony, and the conditions for the alternation e : o.
4.
This use of variant forms of the letters " fa ", " ha ", " sha " and " ya " for different initials is not reflected in surviving inscriptions in the'Phags-pa script, and is probably an attempt by Zhu Zongwen to artificially distinguish historical phonetic differences that were no longer valid in Yuan dynasty Old Mandarin.