| ourá |  | ur-[235] | tail | οὐρά, οὐρᾶς (ourá, ourâs) | anthurium, Anura, brachyurous, colure, cynosure, Diplura, Protura, uroborus, urochord, uroid, uropod |
| oureîn |  | ur-[236] | urine | οὐρεῖν (oureîn), οὖρον, οὔρου (oûron, oúrou), οὔρησις (oúrēsis), οὐρητήρ (ourētḗr), οὐρήθρα (ourḗthra) | antidiuretic, cystinuria, diuresis, diuretic, dysuria, enuresis, homocystinuria, lithuresis, polyurea, polyuria, strangury, uraemia/uremia, urea, uremic, uresiesthesia, uresis, ureter, ureteroscopy, urethra, urology |
| ouranós |  | uran-[237] | heaven, sky | οὐρανός, οὐρανοῦ (ouranós, ouranoû), οὐρανόθεν (ouranóthen) | uraninite, uranium, uranography, uranology, uranometry, uranophobia, Uranus |
