Dictionary Only:
Profanity Off:

13-Letter Words Starting O & Ending IS

There are 5 13 letter words, 0 13 letter phrases and 0 13 letter abbr's starting with 'O' and ending with 'IS'.

Best Scoring

Expand?WordSave?LengthUsagePointsType
osteomyelitis13
18 nounn
noun

• an inflammation of bone and bone marrow (usually caused by bacterial infection)

organogenesis13
15 nounn
noun

• The formation and development of the organs of an organism from embryonic cells

Tip: Scrabble EU allows far more words than US! Also change the max length to see more words.

All 13 Letter Words

WordDB Icon
WordDB
United Kingdom
Download the WordDB app directly on your home screen for instant access. No App Store necessary, less than 1MB storage, always up-to-date and secure.
1.
Tap on share button
2.
Tap on Add To Home Screenadd button
3.
Find WordDB App Icon on your home screen