Here are some links to APA style guides and help sheets on the Internet. The Swiss Army knives of research instruments. Probably a wise first stop in any search for information. Oncology Terms Merriam Webster Online WordNet A Lexical Database for English from the Cognitive Science Laboratory at Princeton WordNet is an on-line lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.
Different relations link the synonym sets.