Rhyme

A rhyme is a repetition of similar sounds between two or more words. This repetition usually occurs in the final stressed syllable and any syllables that follow it. Poets and songwriters use rhyme to create musical or aesthetic effects. It can also act as a powerful mnemonic device. This means it helps people remember information more easily. By using tail rhyme, or rhyme at the end of lines, writers clarify the metrical structure for their audience.

Rhyme can be understood in both specific and general ways. In a specific sense, a perfect rhyme occurs when the final stressed vowel and all subsequent sounds are identical. These are classified by where the stress falls. A single rhyme, or masculine rhyme, has stress on the final syllable, such as "rhyme" and "sublime." A double rhyme, or feminine rhyme, places stress on the penultimate syllable, like "picky" and "tricky." A dactylic rhyme places stress on the antepenultimate syllable, which is the third from the last. Examples include "amorous" and "glamorous."

General rhymes involve various degrees of phonetic similarity. These are often called imperfect or near rhymes. One type is assonance, which is the matching of vowel sounds, such as "shake" and "hate." Another is consonance, which involves matching consonant sounds, like "rabies" and "robbers." You might also encounter alliteration, which is the matching of initial consonants in words like "ship" and "short." There is also a unique category called eye rhyme. These are words that look similar in spelling but sound different, such as "cough," "bough," and "love."

Rhyme can also be identified by its position within a verse. Tail rhyme is the most common form and occurs at the end of a line. Internal rhyme happens when a word rhymes within the interior of a line. Some poets use cross rhyme to match a sound at the end of one line with a sound in the middle of the next. There is even a rare form called a holorhyme. In a holorhyme, two entire lines of text sound identical, such as "For I scream" and "For ice cream."

History shows that rhyming traditions vary widely across the globe. The earliest surviving evidence of rhyme is found in the Chinese Shi Jing from approximately the 10th century BCE. In Chinese poetry, rhyme often includes tone quality as a linguistic factor. In the Hebrew language, rhyme became a permanent feature around the 4th century CE. Scholars discovered this through thousands of poems called piyyuts found in the Cairo Geniza. It is believed that rhyme moved from Hebrew liturgical poetry into Latin and then into European languages.

Arabic poetry has used rhyme since its pre-Islamic roots. Arabic poets used long, rhyming poems called qasidas. In the 6th century, the development of literary Arabic included extensive use of rhyme. During the High Middle Ages, rhyme entered much of European poetry through the influence of Arabic in Al Andalus, which is modern Spain. In the 7th century, Irish literature also reached a high level of perfection in its use of rhyme. Some sources suggest Irish literature may have introduced rhyme to Early Medieval Europe, though this is a disputed claim.

Celtic languages use rhyming schemes that differ from Western patterns. In classical Irish poetry, the rules for rhyme are very specific. The last stressed vowel and any following long vowels must be identical. Consonants are also organized into six different classes. For example, "b" and "d" can rhyme because both are voiced plosives. However, a voiced continuant like "l" cannot rhyme with a voiceless continuant like "ph." These complex rules show how rhyme is deeply connected to the specific sounds of a language.