ostium

1. A small opening or orifice, as in a body organ or passage.

2. Any of the small openings or pores in a sponge.

3. A mouthlike opening in a bodily part (as a fallopian tube or a blood vessel).

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Top Words by points	Points	Word Game
ostium	8	Scrabble

2 Letters	Scrabble® Points
it	2
ti	2
to	2
so	2
si	2
os	2
om	4
oi	2
um	4
us	2
ut	2
is	2
mi	4
mu	4
mo	4

3 Letters	Scrabble® Points
mus	5
ism	5
sum	5
sou	3
sot	3
som	5
sit	3
sim	5
its	3
tis	3
tom	5
tui	3
tum	5
out	3
oms	5
mis	5
moi	5
mos	5
mot	5
ums	5
uts	3
mut	5

4 Letters	Scrabble® Points
toms	6
tuis	4
tums	6
stim	6
sumo	6
sumi	6
omit	6
miso	6
mist	6
most	6
mots	6
muso	6
must	6
muts	6
suit	4
oust	4
outs	4
smit	6
smut	6
stum	6

5 Letters	Scrabble® Points
moist	7
omits	7

6 Letters	Scrabble® Points
ostium	8