slant rhyme

noun Prosody.
  1. rhyme in which either the vowels or the consonants of stressed syllables are identical, as in eyes, light; years, yours.
Also called half rhyme, imperfect rhyme, near rhyme, oblique rhyme, off rhyme.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for near-rhyme

slant rhyme

noun
  1. prosody another term for half-rhyme
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