Gound vs. Rheum

Goundnoun

Mucus produced by the eyes during sleep.

Goundnoun

Gummy matter in sore eyes.

Rheumnoun

(uncountable) Watery or thin discharge of serum or mucus, especially from the eyes or nose, formerly thought to cause disease.

Rheumnoun

Illness or disease thought to be caused by such secretions; a catarrh, a cold; rheumatism.

Rheumnoun

(poetic) Tears.

Rheumnoun

A genus of plants. See Rhubarb.

Rheumnoun

A serous or mucous discharge, especially one from the eves or nose.

Rheumnoun

a watery discharge from the mucous membranes (especially from the eyes or nose)

Rheumnoun

rhubarb

Rheum

Rheum (; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (cf. mucopurulent discharge).