It gives you the rules about irregular plural of the nouns. US -> I SINGULARPLURALalumnusalumnicactuscactifocusfoci/focusesfungusfungi/funguses etc
It gives you the rules about irregular plural of the nouns. US -> I SINGULARPLURALalumnusalumnicactuscactifocusfoci/focusesfungusfungi/funguses etc