Well, a Sonnet is a poem of exactly 14 lines. There is no exact synonym, but I suppose "poem" comes closest. Sonnets are usually 3 quatrains and a couplet, but sometimes and octet plus a sestet. But that probably doesn't help with synonyms.
sonnet
Sonnet 18 and sonnet 116
It is also called the English sonnet. The other form is the Italian sonnet, or petrarchan sonnet.
Sonnet 130
The Sonnet Series - 2013 Sonnet 31 The Old Man and the Sonnet 1-8 was released on: USA: 1 May 2013
The Italian Sonnet
It is a petrarchan sonnet, made out of an octave and a sestet.
sonnet is consisted of fourteen lines,there are two kinds of sonnet-octave and sestet
If you mean William Shakespeare's sonnet 73, it is not surprisingly a Shakespearean sonnet.
Shakespeare's sonnet 130 is a Shakespearean sonnet in terms of rhyme scheme. Its meter is iambic pentameter, and its tone is satirical.
A sonnet with 10 syllables in each line is typically referred to as a decasyllabic sonnet. It is a specific form of the sonnet that follows a strict meter and rhyme scheme.
the English sonnet