Word: thoroughbred
Part of speech: Noun
Syllables: thor
ough
bred
Definition: Any purebred horse;  are "cultivated varieties" (cultivars) of an animal species achieved through the process of selective breeding
Morphemes:
Affix: thorough
Language: en
PoS: Adjective
Meaning: Painstaking and careful not to miss or omit any detail.
Affix: bred
Language: en
PoS: Verb
Meaning: Simple past tense and past participle of breed; copulate with a female, used especially of horses