This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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adj. Of or relating to the cheeks or the mouth cavity.

adj. Of or relating to the cheek or, more rarely, the mouth.

adj. On the side facing the cheek.

adj. Administered in the mouth, not by swallowing but by absorption through the skin of the cheek; often by placing between the top gum and the inside of the lip.

adj. Of or pertaining to the mouth or cheeks.

Pertaining to the bucca or cheek.

Pertaining to the sides of the mouth, or to the mouth or mouth-parts as a whole; oral; maxillary.

A branch of the inferior maxillary nerve supplying the integument and mucous membrane of the cheek.

adj. of or relating to or toward the cheek

adj. lying within the mouth

adj. oriented toward the inside of the cheek

"It usually involves just a little swab, what we call a buccal swab."

oral   

mesial   

buccal glands    buccal mass    buccal vein    buccal sutures    buccal cavity    fissures    buccal funnel    buccal nerve    buccal ganglia    buccal artery   

buccal cavity    transbuccal   

ducal   

malar    tracheobronchial    lacrimal    5mg    sublingual    pharyngeal    maxillary    ductless    oblique-moving    abdominopelvic