The similarity is that they both have 14 lines. The differences are mostly regarding form and rhyme. Namely, Petrarchan sonnet has 14 lines, where the first 8 lines (or an "octave) has the rhyme scheme ABBA ABBA, and the last 6 lines (or a sestet) has a varying rhyme scheme, but usually CDECDE or CDC CDC. On the other hand, a Shakespearean sonnet also has 14 lines, which are divided into three quatrains (4 lines) and one couplet (2 lines). The rhyme scheme in the quatrains is ABAB CDCD EFEF, and the final couplet GG. <span />
The closest answer to that is you'll be able to write more lively sentences. by increasing your vocabulary, you can mix and match different and more beautiful words to help make your writings more colorful. Knowing more words means you have more arsenal for your writing
A the building of the second Aswan dam