These are the meanings of the letters TACTH when you unscramble them.
            
                
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                    Chat (n.)
                    
                        A bird of the genus Icteria, allied to the warblers, in   America. The best known species are the yellow-breasted chat (I.   viridis), and the long-tailed chat (I. longicauda). In Europe the name   is given to several birds of the family Saxicolidae, as the stonechat,   and whinchat.
                     
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                    Chat (n.)
                    
                        A twig, cone, or little branch. See Chit.
                     
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                    Chat (n.)
                    
                        Light, familiar talk; conversation; gossip.
                     
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                    Chat (n.)
                    
                        Small stones with ore.
                     
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                    Chat (v. i.)
                    
                        To talk in a light and familiar manner; to converse   without form or ceremony; to gossip.
                     
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                    Chat (v. t.)
                    
                        To talk of.
                     
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                    tach (unknown)
                    
                        Sorry. I don't have the meaning of this word.
                     
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                    Tact (n.)
                    
                        Sensitive mental touch; peculiar skill or faculty; nice   perception or discernment; ready power of appreciating and doing what   is required by circumstances.
                     
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                    Tact (n.)
                    
                        The sense of touch; feeling.
                     
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                    Tact (n.)
                    
                        The stroke in beating time.
                     
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                    That (pron., a., conj., & )
                    
                        As a conjunction, that retains much of   its force as a demonstrative pronoun.
                     
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                    That (pron., a., conj., & )
                    
                        As a demonstrative pronoun (pl. Those),   that usually points out, or refers to, a person or thing previously   mentioned, or supposed to be understood. That, as a demonstrative, may   precede the noun to which it refers; as, that which he has said is   true; those in the basket are good apples.
                     
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                    That (pron., a., conj., & )
                    
                        As a relative pronoun, that is   equivalent to who or which, serving to point out, and make definite, a   person or thing spoken of, or alluded to, before, and may be either   singular or plural.
                     
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                    That (pron., a., conj., & )
                    
                        As adverb: To such a degree; so; as, he   was that frightened he could say nothing.
                     
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                    That (pron., a., conj., & )
                    
                        As an adjective, that has the same   demonstrative force as the pronoun, but is followed by a noun.
                     
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                    That (pron., a., conj., & )
                    
                        In an elliptical sentence to introduce   a dependent sentence expressing a wish, or a cause of surprise,   indignation, or the like.
                     
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                    That (pron., a., conj., & )
                    
                        To introduce a clause employed as the   object of the preceding verb, or as the subject or predicate nominative   of a verb.
                     
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                    That (pron., a., conj., & )
                    
                        To introduce a consequence, result, or   effect; -- usually preceded by so or such, sometimes by that.
                     
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                    That (pron., a., conj., & )
                    
                        To introduce a purpose; -- usually   followed by may, or might, and frequently preceded by so, in order, to   the end, etc.
                     
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                    That (pron., a., conj., & )
                    
                        To introduce, a reason or cause; --   equivalent to for that, in that, for the reason that, because.