Hello everyone, nice to welcome you on our site, this page even has Level 3 answers. I enjoy it =D
Level 3 - ERPAITRN
The answer to this puzzle is:
Words: PRETRAIN, RETRAIN, REPAINT, PERTAIN, PARTIER, PTERIN, ENTRAP, PANIER, RAPIER, RAPINE, RANTER, PANTIE, PINETA, PRATER, PATINE, ENRAPT, RATINE, TREPAN, ARTIER, IRATER, ARPENT, PATIN, PINTA, PIETA, RAPER, REPIN, PEART, RATER, TERRA, TRINE, TENIA, RIPEN, TRIPE, PATER, TAPER, INEPT, TRIER, RIPER, TINEA, TERAI, RIANT, PRATE, ENTIA, NITRE, ANTRE, NITER, ATRIP, TRAIN, RETIA, TARRE, ARPEN, PAINT, PRINT, APTER, PARER, AIRER, PRIER, INAPT, PATEN, IRATE, RERAN, TAPIR, RANI, NAPE, APER, PERT, NITE, TERN, PEAT, AIRN, NIPA, ANTE, PENT, PIAN, TAIN, PARR, PRAT, TARE, NEAP, RAPT, AIRT, PERI, ETNA, PINA, TARN, TINE, TIRE, REAR, TAPE, RENT, TIER, RAPE, PIER, TRAP, NEAT, TEAR, TRIP, RAIN, RARE, RATE, PEAR, PAIN, PART, NEAR, ANTI, EARN, IRAN, PINE, PAIR, REAP, RANT, PANE, PITA, PINT, TARP, PATE, RIPE, PANT, RITE, REIN, PARE, ART, PEA, PER, RAT, NET, NIP, ANI, TEN, APE, ANT, TIE, NIT, PIE, PIN, EAR, TIN, PIT, TAN, PAN, TEA, TIP, REP, ETA, TAR, PAR, RAP, ERR, RAN, RIP, TAP, NAP, PEN, IRE, EAT, PAT, AIR, APT, PET, ATE, ARE, ERA
Bonus words:
PRETRAIN, RETRAIN, REPAINT, PERTAIN, PARTIER, PTERIN, ENTRAP, PANIER, RAPIER, RAPINE, RANTER, PANTIE, PINETA, PRATER, PATINE, ENRAPT, RATINE, TREPAN, ARTIER, IRATER, ARPENT, PATIN, PINTA, PIETA, RAPER, REPIN, PEART, RATER, TERRA, TRINE, TENIA, RIPEN, TRIPE, PATER, TAPER, INEPT, TRIER, RIPER, TINEA, TERAI, RIANT, PRATE, ENTIA, NITRE, ANTRE, NITER, ATRIP, TRAIN, RETIA, TARRE, ARPEN, PAINT, PRINT, APTER, PARER, AIRER, PRIER, INAPT, PATEN, IRATE, RERAN, TAPIR, RANI, NAPE, APER, PERT, NITE, TERN, PEAT, AIRN, NIPA, ANTE, PENT, PIAN, TAIN, PARR, PRAT, TARE, NEAP, RAPT, AIRT, PERI, ETNA, PINA, TARN, TINE, TIRE, REAR, TAPE, RENT, TIER, RAPE, PIER, TRAP, NEAT, TEAR, TRIP, RAIN, RARE, RATE, PEAR, PAIN, PART, NEAR, ANTI, EARN, IRAN, PINE, PAIR, REAP, RANT, PANE, PITA, PINT, TARP, PATE, RIPE, PANT, RITE, REIN, PARE, ART, PEA, PER, RAT, NET, NIP, ANI, TEN, APE, ANT, TIE, NIT, PIE, PIN, EAR, TIN, PIT, TAN, PAN, TEA, TIP, REP, ETA, TAR, PAR, RAP, ERR, RAN, RIP, TAP, NAP, PEN, IRE, EAT, PAT, AIR, APT, PET, ATE, ARE, ERA