Operations on words

Puzzles

• ate.itionFind a verb ending in "ate" whose associated noun is obtained by replacing the "ate" with "ition." Is... New
• category.anagramRearrange the 32 letters a,a,a,a,a,c,c,d,d,d,e,e,e,e,h,h,h,i,l,l,m,m,n,n, o,o,r,s,s,s,t,u into four words:... New, unsolved
• deletionWhat exceptional words turn into other words by deletion of letters? Added material
• er.estFind words that form other words when both -r (or -er) and -st (or -est) are added, e.g. New
• er.reversedIn general, a [blank]er is someone who [blank]s. New
• insertionWhat exceptional words turn into other words by insertion of letters?
• insertion.and.deletionWhat exceptional words turn into other words by both insertion and deletion of letters?
• less.nessFind a word that forms two other words, unrelated in meaning, when "less" and "ness" are added.
• movementWhat exceptional words turn into other words by movement of letters?
• number.letter.changeNINE contains the letter N twice; change both N's to P's and you get PIPE. New, unsolved
• s.s.wordsWhat words besides EXINES can take an S at the beginning and end, but only both together? New
• sign.anagramRearrange the letters of the roadside sign "Don't pretend to be what you don't intend to be" into an... New, unsolved
• substitutionWhat exceptional words turn into other words by substitution of letters?
• substitution.and.transpositionWhat exceptional words turn into other words by substitution and transposition of letters?
• transpositionWhat exceptional words turn into other words by transposition of letters? Added material
• words.within.wordsWhat exceptional words contain other words?