Acquiescence: To accept without protest. Submission: -> Correct relationship.
Wheedle: To use flattery to get something. Roundabout: To use an indirect longer route instead of a shorter direct route -> Not happening.
Flippancy: Not showing seriousness, lightness. Lightness -> Correct relationship.
Profligate: Excessive, reckless, characterless, wasteful. Extravagant -> Correct relationship.