The Proto-Indo-European phonetics was not stable at all: ablauts (vowel interchanges), assimilations, many different consonant processes at the end of the word.
You can't even distinguish between the preterite and participle Germanic ablauts of English.
বর্ণমালা অনুযায়ী ইংরেজি শব্দ ব্রাউজ করুন (A-Z Dictionary):