Unscramble INSIDIOUS and you have 105 words, INSIDIOUS itself among them: it scores 10 in Scrabble and 12 in Words With Friends. The strongest shorter word is SINUSOID, 9 points. It has 9 letters, 5 vowels and 4 consonants.
I1N12S1I1D2I1O1U12S1
Tile values: Scrabble, then Words With Friends in blue if different.
Counting the words from INSIDIOUS by length: 1 with 9 letters, 1 with 8, 2 with 6, 14 with 5, 33 with 4, 37 with 3 and 17 with 2. None has 7 letters.
SINUSOID is the only one of the 8-letter words in INSIDIOUS; it scores 9 points.
Of the 33 4-letter words from INSIDIOUS, 22 score 5 points, the group's best. SONS, UNDO and SINS are the ones most people know.
These 4 words have the length of INSIDIOUS, with one letter different:
More 9-letter words: starting with IN · ending in US · all 9-letter words
The 8 best-scoring answers and what they mean, led by SINUSOID (9 points).
Points: Scrabble · Words With Friends
Yes, in all three: Scrabble US and Scrabble UK accept INSIDIOUS, and the list Words With Friends is built on has it too.
| Game | Scrabble US | Scrabble UK | Words With Friends* |
|---|---|---|---|
| INSIDIOUS itself | Yes | Yes | Yes |
| Answers accepted (of 105) | 79 | 105 | 70 |
* From the list Words With Friends was built on; the game itself can differ.
Not in Scrabble US and Words With Friends*: SINDS, SNODS, SUIDS, UNSOD, DOUN, DSOS, NIDS, SIND, SNOD, SUID, SUNIS, DSO and 14 more, 26 in all. Not in Words With Friends*: DINOS, UDONS, UNDOS, DINO, UDON, UNIS, SUS, UNI and OI, 9 in all.