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El plural és en -os Ex:
boscos,gustos,textos,despatxos,peixos,grisos...
Excepcions:
cacaus,trofeus,correus.rius...(singular:
cacau,trofeu,correu,riu...)
Tipus,globus,cactus...(el singular coincideix
amb el plural)
NORMA 3
En un mot derivat s'escriu la mateixa vocal que trobem en el mot
primitiu:
enfonsar-fons,recolzar-colze,pometa-poma,ullada-ull,embrutar-brut,sucar-suc
NORMA 2
La primera persona del
present d'indicatiu de
molts verbs acaba en-o:
canto,serveixo,temo,corro...
Hi ha paraules que cal aprendre's de memòria per escriure-les correctement,ja que no
segueixen cap norma.Aquí en tens alguns
exemples:avorrir-se,botifarra,bufetada,butxaca,capítol,cobrir,complir
embotit,govern,Joan,joglar,muntanya,muntar,mussol,nodrir,polir,rètol,sofrir,sorgir,sospirar,tonyina,torró,tramuntana,turment.