Sternutation and Unconditioned reflex

Sternutation noun - A symptom consisting of the involuntary expulsion of air from the nose.

Unconditioned reflex and sternutation are semantically related. In some cases you can use "Unconditioned reflex" instead a noun "Sternutation".

Unconditioned reflex noun - An automatic instinctive unlearned reaction to a stimulus.

Sternutation and unconditioned reflex are semantically related. Sometimes you can replace term "Sternutation" with "Unconditioned reflex", this terms are similar.