Good word and One and only

Good word noun - Something that recommends (or expresses commendation of) a person or thing as worthy or desirable.

One and only and good word are semantically related. In some cases you can use "One and only" instead a noun phrase "Good word".

One and only adjective - Eminent beyond or above comparison.

Good word and one and only are semantically related. Sometimes you can use "Good word" instead a noun phrase "One and only".