Here's what rhymes with illuminance.
luminance Words that almost rhyme with illuminance
luminous ruminants ruinous humanise voluminous bituminous humanists mutinous uveitis glutinous humanness fumigants illusionists ruefulness dehumanise lutenists glutenous kookiness usefulness ludicrous lubricants albuminous cumulus ruthlessness uselessness youthfulness rootlessness gruesomeness spookiness truthfulness fruitfulness fruitlessness pugilists duelists tunefulness humourlessness gratuitous scrupulous contumacious nutriments communicants untruthfulness unscrupulous