psammitic

1. In geology, having a structure like that of sandstone made up of rounded grains of sand. If the grains are sharp, the structure is called gritty, and the rock a grit or gritstone.

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Here are some other words you could make with the letters psammitic

Top Words by points	Points	Word Game
impacts	13	Scrabble

2 Letters	Scrabble® Points
ai	2
am	4
as	2
at	2
is	2
it	2
ma	4
mi	4
mm	6
pa	4
pi	4
si	2
ta	2
ti	2

3 Letters	Scrabble® Points
act	5
aim	5
ais	3
ait	3
ami	5
amp	7
apt	5
asp	5
cam	7
cap	7
cat	5
cis	5
imp	7
ism	5
its	3
mac	7
mam	7
map	7
mas	5
mat	5
mic	7
mim	7
mis	5
pac	7
pam	7
pas	5
pat	5
pia	5
pic	7
pis	5
pit	5
psi	5
pst	5
sac	5
sap	5
sat	3
sic	5
sim	5
sip	5
sit	3
spa	5
tam	5
tap	5
tas	3
tic	5
tip	5
tis	3
ats	3

4 Letters	Scrabble® Points
acts	6
aims	6
aits	4
amis	6
amps	8
asci	6
cami	8
camp	10
cams	8
caps	8
cast	6
cats	6
cist	6
imam	8
impi	8
imps	8
macs	8
maim	8
mams	8
maps	8
mast	6
mats	6
mica	8
mics	8
mist	6
pacs	8
pact	8
pams	8
past	6
pats	6
pias	6
pica	8
pics	8
pima	8
pita	6
pits	6
samp	8
sati	4
scam	8
scat	6
sima	6
simp	8
smit	6
spam	8
spat	6
spit	6
tamp	8
tams	6
taps	6
tics	6
tipi	6
tips	6
stim	6

5 Letters	Scrabble® Points
amici	9
aspic	9
camis	9
campi	11
camps	11
imams	9
impis	9
maims	9
maist	7
miasm	9
micas	9
mimic	11
mitis	7
pacts	9
picas	9
pimas	9
pitas	7
scamp	11
spait	7
spica	9
stamp	9
tamis	7
tamps	9
tapis	7
tipis	7

6 Letters	Scrabble® Points
impact	12
mastic	10
mimics	12
misact	10
misaim	10
scampi	12

7 Letters	Scrabble® Points
impacts	13
miasmic	13