Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - ITENOSN
The answer to this puzzle is:
Words: INTONES, SENNIT, TENONS, TONNES, NITONS, INTONE, NONETS, SONNET, NITON, NITES, TENON, NINES, STENO, NEONS, TONNE, NEIST, STEIN, EOSIN, SENTI, SETON, NONET, NONES, TINES, TONES, INSET, NITS, TENS, TIES, NETS, TINS, ONES, IONS, INNS, EONS, SITE, INTO, NOTE, NEON, NONE, NITE, TONS, SENT, SINE, SNIT, SNOT, SONE, TONE, NINE, TINE, SON, SIN, TEN, SIT, EON, TIE, SOT, SEN, NOT, NOS, NIT, ITS, ION, INS, ONE
Bonus words:
INTONES, SENNIT, TENONS, TONNES, NITONS, INTONE, NONETS, SONNET, NITON, NITES, TENON, NINES, STENO, NEONS, TONNE, NEIST, STEIN, EOSIN, SENTI, SETON, NONET, NONES, TINES, TONES, INSET, NITS, TENS, TIES, NETS, TINS, ONES, IONS, INNS, EONS, SITE, INTO, NOTE, NEON, NONE, NITE, TONS, SENT, SINE, SNIT, SNOT, SONE, TONE, NINE, TINE, SON, SIN, TEN, SIT, EON, TIE, SOT, SEN, NOT, NOS, NIT, ITS, ION, INS, ONE