<p>wordsimilarity (Word 2 Word) is a free, open source tool for plotting and visualizing semantic spaces within a corpus. The tool's visualizations assign words to nodes, with similarities marked by edges between nodes of varying strength. The visualizations are designed to be easy to manipulate based on graph data, and the system includes a library of ready-to-use relationship models with an interface for training the models based on a variety of language sources.</p>