What's Happening in Arabic?

It's not necessarily that consonant vowels form your entire morphological system, or even your entire inflectional system. There's often prefixes and suffixes attached onto that. The word for boy is walad, and the plural is alad in Arabic. So what's happened is the W has become part of a diphthon because the vowel sound is prefixed. Hebrew on the other hand, mostly sticks with regular predictable plural forms,. apart from your usual bevy of exceptions. It doesn't have what... Mikey found sort of a Wikipedia article on bloke broken plurals. And there are so many kinds of them it's a nightmare Because you have to memor