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Long ago, I learned that suffixes like -ide, -ate, -ose, etc. had specific meanings.

Now, I'm seeing all these drug ads on TV with generic names that all end in -ab or -ib.  Do these have a standard meaning, or is it a matter of conforming to the crowd?

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    $\begingroup$ You can add a few examples. This is not a universal ending. $\endgroup$
    – ACR
    Commented Dec 22, 2022 at 2:52
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    $\begingroup$ Related: chemistry.stackexchange.com/questions/161667/… $\endgroup$
    – Nilay Ghosh
    Commented Dec 22, 2022 at 4:51
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    $\begingroup$ Note that pharmacological and chemical nomenclature conventions are independent. $\endgroup$
    – Poutnik
    Commented Dec 23, 2022 at 9:24

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Anything ending in -ib is a kinase inhibitor e.g. Dasatinib

Anything ending in -mab is a monoclonal antibody e.g Rituximab

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