Glas

Gwyrdd a Melyn

Coch

Bought

Fought

Thought

Ought

Sought

Nought

Brought

Wrought

Afterthought

Thoughtfulness

Achieve

Bargain

Controversy

Disastrous

Foreign

Interfere

Nuisance

Programme

Secretary

Temperature

Expression

Discussion

Confession

Permission

Admission

Impression

Obsession

Procession

Omission

Concussion