Difference between Undertone and Undercurrent

What is the difference between Undertone and Undercurrent?

Undertone as a noun is an auditory tone of low pitch or volume while Undercurrent as a noun is a current which flows under the surface

Part of speech: noun

Definition: an auditory tone of low pitch or volume an implied meaning; an undercurrent a pale colour, or one seen underneath another colour

Part of speech: noun

Definition: a current which flows under the surfaceAn emotional presence that is concealed rather than exposed.

We hope you now know whether to use Undertone or Undercurrent in your sentence.