prochronism

1. An error in chronological order in which one is ascribed an earlier time.

2. The dating of an event before the time it happened; an antedating; -- opposed to metachronism.

3. An error in chronology consisting in antedating something; the dating of an event before the time when it happened, or the representing of something as existing before it really did.

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

Top Words by points	Points	Word Game
morphic	16	Scrabble

2 Letters	Scrabble® Points
hi	5
hm	7
ho	5
in	2
is	2
mi	4
mo	4
no	2
oh	5
oi	2
om	4
on	2
op	4
or	2
os	2
pi	4
po	4
sh	5
si	2
so	2

3 Letters	Scrabble® Points
chi	8
cis	5
con	5
coo	5
cop	7
cor	5
cos	5
hic	8
him	8
hin	6
hip	8
his	6
hom	8
hon	6
hoo	6
hop	8
ich	8
imp	7
ins	3
ion	3
ism	5
mho	8
mic	7
mir	5
mis	5
moc	7
moi	5
mon	5
moo	5
mop	7
mor	5
mos	5
nim	5
nip	5
noh	6
nom	5
noo	3
nor	3
nos	3
och	8
ohm	8
oho	6
ohs	6
oms	5
ono	3
ons	3
ooh	6
ops	5
orc	5
ors	3
phi	8
pho	8
pic	7
pin	5
pis	5
poh	8
poi	5
pom	7
poo	5
pos	5
pro	5
psi	5
rho	6
rim	5
rin	3
rip	5
roc	5
rom	5
roo	3
sho	6
sic	5
sim	5
sin	3
sip	5
sir	3
soc	5
soh	6
som	5
son	3
sop	5
sri	3

4 Letters	Scrabble® Points
chin	9
chip	11
chis	9
chon	9
chop	11
cion	6
coho	9
coin	6
coir	6
comp	10
coni	6
cons	6
coon	6
coop	8
coos	6
cops	8
corm	8
corn	6
cors	6
cosh	9
cris	6
crop	8
hims	9
hins	7
hips	9
hisn	7
homo	9
homs	9
hons	7
hoop	9
hops	9
horn	7
ichs	9
icon	6
imps	8
inch	9
inro	4
ions	4
iron	4
mhos	9
mics	8
mirs	6
miso	6
mocs	8
moho	9
mono	6
mons	6
moon	6
moor	6
moos	6
mops	8
morn	6
mors	6
mosh	9
nims	6
nips	6
noir	4
noms	6
nori	4
norm	6
nosh	7
ohms	9
onos	4
oohs	7
oops	6
orcs	6
phis	9
phon	9
phos	9
pics	8
pins	6
pion	6
pirn	6
pish	9
piso	6
poco	8
pois	6
pomo	8
poms	8
pons	6
pooh	9
poon	6
poor	6
poos	6
porn	6
posh	9
prim	8
prom	8
pros	6
rhos	7
rich	9
rims	6
rins	4
rips	6
rocs	6
romp	8
roms	6
room	6
roos	4
scop	8
shim	9
shin	7
ship	9
shmo	9
shoo	7
shop	9
shri	7
simp	8
sinh	7
snip	6
soon	4
soph	9
sori	4
sorn	4
spin	6

5 Letters	Scrabble® Points
chimp	14
chino	10
chins	10
chips	12
chirm	12
chiro	10
chirp	12
chirr	10
choir	10
chomp	14
chops	12
cions	7
cohos	10
coins	7
coirs	7
compo	11
comps	11
coons	7
coops	9
corms	9
corns	7
corps	9
crimp	11
crisp	9
croon	7
crops	9
homos	10
honor	8
hoops	10
horns	8
ichor	10
icons	7
impro	9
irons	5
micro	9
minor	7
mochi	12
mohos	10
monic	9
monos	7
mooch	12
moons	7
moors	7
morns	7
moron	7
morph	12
morro	7
noirs	5
nomoi	7
nomos	7
noris	5
norms	7
ohmic	12
oomph	12
opsin	7
orcin	7
ornis	5
orpin	7
orris	5
osmic	9
phono	10
phons	10
pinch	12
pions	7
pirns	7
pisco	9
pomos	9
pooch	12
poohs	10
poons	7
poori	7
porch	12
porin	7
porno	7
porns	7
primo	9
prims	9
prion	7
prior	7
prism	9
promo	9
proms	9
proso	7
rhino	8
romps	9
rooms	7
roshi	8
rosin	5
schmo	12
scion	7
scoop	9
scorn	7
scrim	9
scrip	9
shirr	8
shoon	8
shorn	8
snoop	7
sonic	7
sopor	7
spoon	7
spoor	7
cosmo	9
inspo	7

6 Letters	Scrabble® Points
chimps	15
chinos	11
chirms	13
chiros	11
chirps	13
chirrs	11
choirs	11
chomps	15
chopin	13
chrism	13
chromo	13
compos	12
crimps	12
croons	8
honors	9
ichors	11
impros	10
micron	10
micros	10
minors	8
mochis	13
monish	11
mopish	13
morion	8
morish	11
morons	8
morpho	13
morphs	13
morris	8
morros	8
oomphs	13
orchis	11
orcins	8
orison	6
orphic	13
orpins	8
phonic	13
phonos	11
poison	8
poncho	13
pooris	8
porins	8
porism	10
pornos	8
primos	10
prions	8
priors	8
prison	8
promos	10
rhinos	9
scrimp	12
scroop	10
shrimp	13
shroom	11
simoon	8
siphon	11
smirch	13
smooch	13
somoni	8
spinor	8

7 Letters	Scrabble® Points
chopins	14
chorion	12
chrisom	14
chromos	14
crimson	11
cronish	12
isochor	12
microns	11
moonish	12
moorish	12
morions	9
moronic	11
morphic	16
morphin	14
morphos	14
morrion	9
omicron	11
opsonic	11
orphism	14
phonics	14
pocosin	11
ponchos	14
poorish	12
porcino	11
rompish	14
chromis	14

8 Letters	Scrabble® Points
chorions	13
chrismon	15
hormonic	15
isochron	13
isomorph	15
morphins	15
morrions	10
omicrons	12
promisor	12
scorpion	12