The letters in OCCASIONS make 97 words of two letters or more. The longest is OCCASIONS at 9 letters, and the highest-scoring is OCCASIONS at 13 points.
No other single word uses all 9 letters of OCCASIONS. OCCASIONS has 9 letters: 4 vowels and 5 consonants, worth 13 points before any board bonuses.
9-letter words 1
8-letter words 1
7-letter words 4
caisson9casinos9cassino9cocains11
6-letter words 9
cansos8casino8ciscos10cocain10cocoas10conics10scions8siccan10sonics8
5-letter words 18
cains7canso7ciaos7cions7cisco9cocas9cocoa9cocos9coins7conic9icons7oasis5ossia5sains5sasin5scans7scion7sonic7
4-letter words 28
ains4anis4asci6cain6cans6ciao6cion6coca8coco8coin6coni6cons6coos6coss6icon6ions4naoi4naos4ocas6ossa4sacs6sain4sans4scan6sics6sins4sons4soon4
3-letter words 21
ain3ais3ani3can5cis5con5coo5cos5csc7ins3ion3noo3nos3oca5ons3sac5sic5sin3sis3son3sos3
2-letter words 15
ai2an2as2cs4in2is2na2no2oi2on2oo2os2si2so2ss2
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.