Instinctive reflex and Singultus

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

Singultus and instinctive reflex are semantically related. In some cases you can replace term "Singultus" with "Instinctive reflex", this terms are similar.

Singultus noun - (usually plural) the state of having reflex spasms of the diaphragm accompanied by a rapid closure of the glottis producing an audible sound; sometimes a symptom of indigestion.

Instinctive reflex and singultus are semantically related. You can use "Instinctive reflex" instead a noun "Singultus".