The suffix "dosis" or "osis", from ancient Greek, simply means "an abnormal or diseased state" of the word to which it is attached, as in "lordosis", "scoliosis" and kyphosis" which describe abnormal...
No, not all of them. Actinomycin is a polypeptide antibiotic and has a -mycin suffix Erythomycin and Azithromycin are macrolide antibiotics and have a -mycin suffix Rifamycins are not aminoglycosides...