uuh i guess ill start a list, people fell free to add (i used dictionary.com) : Prelap dewlap
7 letter words ending in p: * scallop * harelip * airdrop * trollop * bellhop * gumdrop
Words ending with p:asleepatopapprenticeshipbeepbishopbumpbreakupbuttercupbattleshipcampcourtshipcensorshipclumpcoupcopcraftsmanshipcupchirpclampchampcreepcropcroupclipchapchipchopcrimpdampdealershipdraftsmanshipdevelopdollopdripdroopentrapencampenvelopflapfootstepfriendshipflipflopflareupgallopgapgrumpgoopgamesmanshipgovernorshipguardianshipgripgroupgypharelipheaphelphiphubcaphophoophandicaphardshipicecapinstepinternshipjeepjudgeshipjumpkeepleapkinshiplamplimploopleadershiplaplumpmakeupmapmarksmanshipnipnapnightcapnonstopoutstripoverstepownershippeeppartnershippenmanshipplumppoppolypprimpproppumpquipripregroupraindropromprumprevamprecaprooftoprelationshipsoapstoopstripstumpskycapsportsmanshipsalesmanshipstampscoopsnoopsoupshipshopshrimpscrimpslipslopsnapstrapsteepSwapsweepswoopskipscallopseamanshipshowmanshipstewardshipscholarshipsteamshipstopstripsyruptraptiptaptoptriptrumptulipturnipteacuptrooptrollop.unsnapupunwrapwarpweepwhipworkmanshipworshipyapzapzip
Carhop
asleepbishopburlapdollopencamphiccupicecapmakeupmarkupmishaprecouprevampscrimpshrimpturnipwallopunsnapburlapbarhopbishopcarhopentrapdollopgallophookuphanguplinkuplockupmakeupmarkupmishappileupreshiprevampscrimpshrimpteacupwallop
Six letter words that start with I and end with P are icecap and instep.
PotterPicklePreach
Partnership
blimpchampchimpchirpclampchompclumpcrampcreepcrimpfrumpgrumpplumpprimppolyprecapskimpsloopsleepslurpstampstripstompstumpslumpswamptramptrumpuncap
Some six letter words with p as the second letter are opener, operas, sparse, and apiece.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern P---PE. That is, six letter words with 1st letter P and 5th letter P and 6th letter E. In alphabetical order, they are: polype poulpe pyrope
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -P--EP. That is, six letter words with 2nd letter P and 5th letter E and 6th letter P. In alphabetical order, they are: upkeep upstep
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern P--NAP. That is, six letter words with 1st letter P and 4th letter N and 5th letter A and 6th letter P. In alphabetical order, they are: petnap