Hello everyone, nice to welcome you on our site, this page even has Level 13 answers. I enjoy it =D
Level 13 - GACNOIT
The answer to this puzzle is:
Words: COTINGA, COTING, ATONIC, AGONIC, CATION, GITANO, TIGON, TONGA, ACING, INGOT, INCOG, COIGN, COTAN, ONTIC, CONGA, ACTIN, COATI, ANTIC, GONIA, TANGO, CANTO, OCTAN, CION, CAIN, OTIC, CONI, AGIO, GOAT, TACO, TONG, TOGA, TING, ICON, TAIN, NOTA, TANG, INTO, AGON, ANTI, CANT, CIAO, AGIN, GNAT, GAIT, IOTA, ION, NOG, AGO, TAG, TIC, ANI, TAN, TIN, TON, NOT, NIT, GOT, CIG, COG, CON, COT, NAG, GAT, GIN, GIT, OAT
Bonus words:
COTINGA, COTING, ATONIC, AGONIC, CATION, GITANO, TIGON, TONGA, ACING, INGOT, INCOG, COIGN, COTAN, ONTIC, CONGA, ACTIN, COATI, ANTIC, GONIA, TANGO, CANTO, OCTAN, CION, CAIN, OTIC, CONI, AGIO, GOAT, TACO, TONG, TOGA, TING, ICON, TAIN, NOTA, TANG, INTO, AGON, ANTI, CANT, CIAO, AGIN, GNAT, GAIT, IOTA, ION, NOG, AGO, TAG, TIC, ANI, TAN, TIN, TON, NOT, NIT, GOT, CIG, COG, CON, COT, NAG, GAT, GIN, GIT, OAT