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How to add custom words to the iPhone dictionary

By Smorgi Apps · February 9, 2026 · Updated September 9, 2026 · How-to

Open Settings → General → Keyboard → Text Replacement to add a shortcut. To teach autocorrect a word, type it, tap the suggestion bar so iOS accepts your spelling, and use it a few times.

This lives in the system dictionary. A third-party keyboard can still help for styles or rewrites. See BubbleText, mindfulAI, and AlterEgo.

BubbleText

A custom iPhone keyboard for bubble text, Unicode styles, and color themes. Autocorrect stays on your device. Full Access is only used to sync themes.

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Written by Smorgi Apps at Smorgi Apps. We do not invent download counts or ratings. If a number appears here, it came from App Store Connect or the live listing.