Oscitance and Unconditioned reflex

Oscitance noun - An involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom.

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

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

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