arenoid

As a noun terms

is .

As an adjective arenoid is

resembling sand.

As adjectives the difference between arenoid and adenoid

is that arenoid is resembling sand while adenoid is (anatomy) of or relating to lymphatic glands or lymphoid tissue; lymphoid.

As a noun adenoid is

(anatomy) one of two folds of lymphatic tissue covered by ciliated epithelium they are found in the roof and posterior wall of the nasopharynx at the back of the throat behind the uvula they may obstruct normal breathing and make speech difficult when swollen, a condition often called adenitis.

As a noun areneid

is any member of the family: Araneidae.

As an adjective arenoid is

resembling sand.