Four letter words with the same first and last letter are:
Some examples are... aqua, barb, chic, dead, else, gang, hath
kayak and level
geeseorderpriorteaseceaseleasedryerpeacepastaversemottosalsaparkanerveservetersekarmastartstintstiltaddedaidedmergeledgehedgesergewedgecallagammamannaseizeteaseerrorrodeopoliofencetensedensepencepandamambasambapapaw
Alliteration
addallassbeeboocooebbeggerrfeegeeillinnleeloomoooddoffpeeseeteetoozoo
Nine letter words that begin and end with the same letter:beachcombdartboarddecimateddecorateddecreaseddefrostedeffectiveeradicateetiquetteexecutivefireproofflagstafffoolproofgatheringgroundhoghairbrushhopscotchhundredthmagnesiummidstreamnarrationnewswomannightgownnutritionrainwaterrecruitersailboatssentencesturbulent
Some examples are... aqua, barb, chic, dead, else, gang, hath
The use of words having the same first letter is a form of poetry known as alliteration. You are a poet.
kayak and level
Muslim- muslin
geeseorderpriorteaseceaseleasedryerpeacepastaversemottosalsaparkanerveservetersekarmastartstintstiltaddedaidedmergeledgehedgesergewedgecallagammamannaseizeteaseerrorrodeopoliofencetensedensepencepandamambasambapapaw
Examples of seven letter words with the first and sixth letter the same are:abysmalacrobatadmiralanagramarrivalarsenalcadencecollectcompactconductconnectconvictcorrectcrevicedegradedioxideearthenempowerepauletescapeefalsifyfortifygarbagegeologyhealthyidioticidyllicillicitinertiainhabitinheritinsulininteriminvalidkaraokelegiblelikablemacramenirvananothingoctagonopinionoutdoorovationperhapspreemptrapportrapturerectoryrequirerestorerevelryrhubarbrivalryrobberyrupturesarcasmsawdustselfishstylishsubsistsuccesssucrosesuggestsupposesurpasssynapsetaffetatermitethirstythriftytributetrinitytwelfthuranium
Alliteration
addallassbeeboocooebbeggerrfeegeeillinnleeloomoooddoffpeeseeteetoozoo
Ohio,Alabama, Arizona, & Alaska.
empty
That is a good question, "that" is a good answer.