contestada

The following two words optional and observational are similar, contradictory or not related

Respuesta :

maycstine
the answer i believe is "not related"

Answer: not related

Explanation: The words "optional" and "observational" are not related because their meanings are not similar nor contradictory. Optional means that it is not compulsory while observational is relating to the action of closely watching. They are not synonyms or antonyms.