List T

taping or tapping?	tape + ing = taping tap + ing = tapping
testimonial or testimony?	TESTIMONIAL = formal statement in the form of an open letter bearing witness to someone’s character, qualifications and relevant experience TESTIMONY = formal written or spoken statement of evidence, especially in a court of law
thank you or thank-you?	I should like to THANK YOU very much for your help. THANK YOU for your help. Ihavewrittenallmy THANK-YOU letters. You will see that ‘thank you’ is NEVER written as one word. It is hyphenated only when used as a compound adjective describing ‘letter’ or another noun. Those who care about such things can never bring themselves to buy otherwise attractive thank-you cards that have THANKYOU or THANK-YOU printed on them!
troop or troupe?	TROOP refers to the armed forces or to groups of people or particular animals: a TROOP of scouts a TROOP of children a TROOP of monkeys TROUPE refers to a group of touring actors, dancers, musicians or other entertainers.