The pick
Google Books Ngram Viewer
books.google.comGraph words and phrases across centuries of books
FreeNo signup
That one website that charts how often a word showed up in books over the centuries
Why it's the pick
Google's Ngram Viewer graphs how often words or phrases appear in its scanned-book collection, from 1800 to 2022, and lets you compare several at once. It's free and needs no account; it shows frequency in print, not meaning.
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