SUPEROXIDE

10 letters, 20 points in Scrabble, 5 vowels

What SUPEROXIDE Means

noun: a metallic oxide containing the univalent anion O2-
noun: the univalent anion O2-“much of the O2 supporting cellular respiration is reduced to the superoxide anion O2-”

Definitions from Open English WordNet, CC BY 4.0.

What It Scores

SUPEROXIDE is a valid word in the tournament list this site uses. Tile values only, before any premium square: 20 in Scrabble and 22 in Words With Friends. The letters break down as S1 U1 P3 E1 R1 O1 X8 I1 D2 E1.

Words Made From The Letters In SUPEROXIDE

554 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.

9 letter words (1)

8 letter words (5)

DUPERIES EPOXIDES EXPOSURE PEROXIDE PEROXIDS

7 letter words (37)

6 letter words (84)

5 letter words (153)

4 letter words (147)

3 letter words (97)

DEE DEI DEX DIE DIP DIS DOE DOP DOR DOS DSO DUE DUI DUO DUP DUX EDS ERE ERS EXO IDE IDS IOS IRE ISO ODE ODS OES OIS OPE OPS ORD ORE ORS OSE OUD OUP OUR OUS PED PEE PER PES PIE PIR PIS PIU PIX POD POI POS POX PRE PRO PSI PUD PUR PUS RED REE REI REO REP RES REX RID RIP ROD ROE RUD RUE SED SEE SEI SER SIP SIR SIX SOD SOP SOU SOX SRI SUD SUE SUI SUP SUR UDO UDS UPO UPS URD URE URP USE XIS

2 letter words (30)

DE DI DO ED EE ER ES EX ID IO IS OD OE OI OP OR OS OU OX PE PI PO RE SI SO UP UR US XI XU

Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.