The letters in OBJECTION make 112 words of two letters or more. The longest is OBJECTION at 9 letters, and the highest-scoring is OBJECTION at 20 points.
No other single word uses all 9 letters of OBJECTION. OBJECTION has 9 letters: 4 vowels and 5 consonants, worth 20 points before any board bonuses.
9-letter words 1
7-letter words 2
coontie9eobiont9
6-letter words 8
5-letter words 12
beton7biont7boite7bonce9cento7conte7conto7jeton12joint12objet14ontic7tonic7
4-letter words 35
bent6bice8bine6bint6bite6bone6boon6boot6cent6cine6cion6cite6coin6cone6coni6coot6cote6ebon6etic6icon6into4jeon11jibe13join11nice6nite4note4obit6oboe6once6onto4otic6tine4tone4toon4
3-letter words 38
ben5bet5bin5bio5bit5boo5bot5cob7con5coo5cot5eon3ice5ion3jet10jib12jin10job12joe10jot10neb5net3nib5nit3nob5noo3not3obe5obi5one3oot3ten3tic5tie3tin3toe3ton3too3
2-letter words 16
be4bi4bo4en2et2in2it2jo9ne2no2oe2oi2on2oo2ti2to2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.