rhyme of two words spelled or pronounced identically but differing in meaning, as rain, reign; rich rhyme.
Are There Any Words Without Rhymes?It's the age old question ... at least the age-old word game question: Are there any words without rhymes?
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British Dictionary definitions for perfect rhyme
Also called: full rhyme rhyme between words in which the stressed vowels and any succeeding consonants are identical although the consonants preceding the stressed vowels may be different, as between part/hart or believe/conceive
a rhyme between two words that are pronounced the same although differing in meaning, as in bough/bow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012