Aphonic and Buttoned-up

Aphonic adjective - Being without sound through injury or illness and thus incapable of all but whispered speech.

Buttoned-up and aphonic are semantically related. In some cases you can replace phrase "Buttoned-up" with "Aphonic", this terms are similar.

Buttoned-up adjective - Having or showing a lack of friendliness or interest in others.

Aphonic and buttoned-up are semantically related. Sometimes you can use "Aphonic" instead an adjective phrase "Buttoned-up".