morphophyly

1. The tribal history of forms; that part of phylogeny which treats of the tribal history of forms, in distinction from the tribal history of functions.

2. The tribal history of forms; that branch of phylogeny, or tribal history, which treats of form alone, without reference to function, the tribal history of the latter being called physiophyly.

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

Top Words by points	Points	Word Game
polymorph	21	Scrabble

2 Letters	Scrabble® Points
ho	5
yo	5
po	4
oy	5
or	2
op	4
om	4
oh	5
my	7
mo	4
lo	2
hm	7

3 Letters	Scrabble® Points
pop	7
pry	8
pro	5
hyp	11
hoy	9
hop	8
hoo	6
ohm	8
oho	6
mor	5
mop	7
moo	5
mol	5
mho	8
ooh	6
poo	5
hom	8
rho	6
rom	5
roo	3
pho	8
lop	5
loo	3
ply	8
poh	8
yom	8
pol	5
pom	7

4 Letters	Scrabble® Points
pooh	9
poor	6
oppo	8
yomp	11
ropy	9
room	6
romp	8
pyro	9
prop	8
prom	8
plop	8
poop	8
pool	6
homy	12
pomp	10
pomo	8
poly	9
polo	6
ploy	9
homo	9
lory	7
loop	6
loom	6
holy	10
holp	9
holo	7
moho	9
moly	9
mool	6
moor	6
mopy	11
hypo	12
hoop	9
holm	9

5 Letters	Scrabble® Points
hoppy	15
roomy	10
hooly	11
polyp	12
loopy	10
promo	9
poopy	12
orlop	7
loppy	12
lymph	15
moory	10
moppy	14
morph	12
myopy	15
oomph	12

6 Letters	Scrabble® Points
poorly	11
propyl	13
pyrohy	17
morpho	13

9 Letters	Scrabble® Points
polymorph	21