Which pair of words consists of synonyms? prudent; reckless profound; deep fitful; regular

Does any one read this story "when mr. came to dine". in 9th grade. plz i need with one question about this story?

What do the words “briefer,” “too beautiful to stay,” and “sleep of death” in the last stanza of wylie’s prom suggest about nature’s bounty and a life of plenty and ease?

What is the meaning of "full tide" as it is used in this sentence? before i could explain to her the differences of language in this world, she was embarked on the full tide of another subject. a long and involved argument an inaccurate representation a detailed and lively discussion an uncontrollable flood