Some six letter words that end in double letters:
That's odd.
baldnessbaseballbaselessbluenessboldnesscalmnesscarelesscarefreecluelesscoldnessdistressduckbilldumbnessdampnessdeafnessevennessfairnessfondnessfortressgladnessgoddesshardnesshairlesshomelesskindnesslistlesslifelesslovelesslatenessmattressmeannessmindlessneedlessoverpassopennesspainlessplaybillprogressrainfallrecklessrudenessruthlesssamenessseedlessselflesssicknesssnowballsnowfalltimelessuglinessvastnesswindfall
Pass, moss, toss, loss, mess, thee.
impress mastiff regress
Some words that begin with the letter p and end with the letters ph:paragraphphonographphotographpictographpolygraph
That's odd.
baldnessbaseballbaselessbluenessboldnesscalmnesscarelesscarefreecluelesscoldnessdistressduckbilldumbnessdampnessdeafnessevennessfairnessfondnessfortressgladnessgoddesshardnesshairlesshomelesskindnesslistlesslifelesslovelesslatenessmattressmeannessmindlessneedlessoverpassopennesspainlessplaybillprogressrainfallrecklessrudenessruthlesssamenessseedlessselflesssicknesssnowballsnowfalltimelessuglinessvastnesswindfall
Pass, moss, toss, loss, mess, thee.
buffcuffmuffpuffballbellbillbullcallcellmallmillmullnullpillpullrollsillselltilltelltallwallwellwillbassbosscussfusshisskisslessmessmissmassmosslosspasssasstossmuttmittbuttdollfallfellfillfull
Ill and inn.
Six letter words that end with the letters ute:astutediluteimputeminuterefutereputesalute
impress mastiff regress
Some words that end with the letters 'lk' are:balkbilkbulkcaulkchalkelkfolkhulkilkmilksilkskulkstalksulktalkwalkwhelkyolk
kumala or kumata
alumatomexamitem
Some words that begin with the letter p and end with the letters ph:paragraphphonographphotographpictographpolygraph
Oh, what a happy little question! Let's think about words like "success" or "happen" where the last two letters are the same. It's like nature repeating itself in a beautiful way. Just paint those words onto the canvas of your mind and let them bring you joy.