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We are the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet. Abbreviations.com holds hundreds of thousands of entries organized by a large variety of categories from computing and the Web to governmental, medicine and business and it is maintained and expanded by a large community of passionate editors.

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YTYK
You Think You Know
SS
Social Science
TEACHER
Tolerant, Energetic, Awesome, Caring, Helper, Excellent, & Responsible
TEACHER
Truthful, Eloquent, Ability, Character, Humour, Efficient & Responsible
TEACHER
Trustworthy, Exemplary, Accurate, Creative, Honest, Educated & Resourceful