Tension and Tonus

Tension noun - The burden on one's emotional or mental well-being created by demands on one's time.

Tonus and tension are semantically related. In some cases you can replace term "Tonus" with "Tension", this nouns are similar.

Nearby Words: tense, tensing, tensed, tenseness, tensely

Tonus noun - The elastic tension of living muscles, arteries, etc. that facilitate response to stimuli.

Tension and tonus are semantically related. You can use "Tension" instead a noun "Tonus".