octan

(hwn) noun masculine (octanau)
in English is:

octane

Mutations

Soft:(no mutation)
Nasal:(no mutation)
Aspirate:(no mutation)

Use

yr octan hwn
fy octan i
dy octan di
ei octan ef/o
ei hoctan hi
ein hoctan ni
eich octan chi
eu hoctan nhw/hwy
yr un octan
y ddau octan cyflym*
y tri octan pell*
y pedwar octan tawel*
y pum octan bach*
y chwe octan da*
y saith octan glân*
yr wyth octan llawn*
y naw octan mawr*
y deg octan rhyfedd*

* These adjectives were chosen based on their initial letter in order to demostrate their mutations, and therefore their meaning will not make sense after some nouns!

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