we've / weave are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
we've: NA
weave: (noun) pattern of weaving or structure of a fabric. (verb) interlace by or as if by weaving. (verb) create a piece of cloth by interlacing strands of fabric, such as wool or cotton. (verb) to move or cause to move in a sinuous, spiral, or circular course.
we've: w·IY·v
weave: w·IY·v
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)