Jumble Word #5

RWA
NPO
TIK

How many words 4 letters or more can you find from the letters shown above ?
There are al least one nine-letters word, all the words must contain the centre letter, all the letter may only be used once. No plurals or capital letter or swear words.  
 Here the list so far.....

kipa, pain, pant, paki, park, part, pawn, pink, pint,  pita,  pork,  port, prat, prow, rapt, tarp, tipo, trap, trip,trop, ropa, warp, wrap 

apron, inapt, okapi, paint, patio,  pinto, piton,  point, prank, prawn, print, pronk, tapir, twirp 

tarpon

paintwork

Good 18   Very good 22   Excellant 26  Genius 30+

example: pant

Pink, Warp, Pork, Porn, Pint, Port, Kipa, Paki, Pika, Pawn...

In other languages: trop, tipo, ropa...

very good so far.

pain

with warp I got wrap

Trip, Trap, Pron...

In other languages (I make guesses, and wiktionary tells me I've got the wrong language): Korp, Korpi, Wapń, Kirp, Pronta, Kripo, Kripton...

would it be better if we just stick with the english ?

pronk

where all these words come from ?

"Korp, Korpi, Wapń, Kirp, Pronta, Kripo, Kripton..."

I'm just writing down the ones that looked like english, but wern't, so I don't try them again. Feel free to ignore them (maybe I should make them smaller...)

part

point park prow prawn prat

is paintwork a word ?

no problem there, cools.

4-letter words
 apio, atip, atop, karp, knap, knop, kopi, kpno, napo, nipa, nipt, opai, opia, paik, pain, pair, pait, paki, pani, pank, pant, paon, pari, park, paro, part, pato, patr, pawk, pawn, pian, pika, pina, pink, pino, pint, pion, piot, pirn, piro, pita, poak, pont, pori, pork, porn, port, poti, pown, prao, prat, prin, prio, proa, pron, prot, prow, ptak, ptwo, raip, rapt, ripa, ript, tapi, tarp, tipa, tipo, tnop, tnpk, topi, torp, trap, trip, trop, twip, warp, wipo, wopr, wrap

5-letter words
 apion, aport, apron, arpin, atnip, atrip, inapt, intap, kapor, kopar, kopit, korpi, nopar, okapi, ontap, opart, orpin, orpit, paino, paint, pairt, panik, panko, panto, parik, parki, paron, parti, parto, patin, patio, paton, patri, patro, piano, pinko, pinot, pinta, pinto, piotr, pirko, pirna, pirot, piton, point, pokan, ponti, poria, porta, potin, powan, powin, prank, prato, prawn, prian, prink, print, prion, proia, proin, pronk, ptain, rapti, ripka, ripon, ropak, taipo, taopi, tapin, tapir, tawpi, tipon, topia, twirp, wrapt

6-letter words

arpino, inkpot, inpart, inport, intrap, inwrap, kapton, katipo, kipton, kirpan, natorp, pankow, parkin, partin, parton, patino, patrin, patron, patwin, pawnor, pinoak, pintar, pirnot, poitra, porina, porkin, portia, potwin, prankt, proant, rapkin, ropani, tapiro, tarpon, tirpak, tropia, tropin, witkop,

7-letter words
atropin, inwrapt, parkton, pinwork, pitwork, portwin, prowant, toprank, twopair, workpan

8-letter words
pinkwort, townpark, warpknit

9-letter words
paintwork

no, are they ? got them from a website to search words in the Comprehensive English

ptak -  bird: Any of the bipedal, warm-blooded vertebrates that lay eggs having wings which, for most species, enables them to fly. from Polish.

what if I use the International Dictionary would that be better ?

Here, result from the International Dictionary

4-letter words
atop, knap, knop, koap, nipa, paik, pain, pair, pant, park, part, pawk, pawn, pian, pika, pina, pink, pint, pion, pirn, pita, ponk, pont, pork, porn, port, pown, prao, prat, proa, prow, rapt, ript, tarp, topi, trap, trip, trop, warp, wrap, 

5-letter words
aport, apron, atrip, inapt, okapi, orpin, paint, panto, parki, parti, patin, patio, piano, pinko, pinot, pinta, pinto, piton, point, porta, potin, powan, powin, prank, prawn, prink, print, prion, proin, pronk, tapir, twirp, witan, wrapt

6-letter words
 inkpot, inwrap, katipo, kirpan, parkin, parton, patron, pawnor, porina, tarpon, tropin

7-letter words
atropin, pinwork

9-letter words
paintwork