abysm
abyss
arroyo
avulsion
beard
box canyon
breach
break
bringing to light
burrow
canyon
casual discovery
catching
cavity
chance discovery
chap
chasm
check
chimney
chink
cleft
cleuch
clough
col
coulee
couloir
countermine
crack
cranny
crater
crevasse
crevice
cut
cutting
cutting out
cwm
deepening
defile
dell
delve
deny
depression
deracination
detection
determination
determining
dig
digging
creating by removal
aquifers
cavern
demolition
excavations
experimentation
exploration
explorations
fortification
grotto
gully
lagoon
quarry
reconstruction
Alsatian
Americanization
Appalachian
Balkanization
Christianization
Confederation
Corp.
Croatian
Dalmatian
Desegregation
Finlandization
Haitian
Horatian
Incarnation
Islamization
Japanimation
Nation
Plantation
Reformation
Revelation
Russification
Tribulation
Visitation
abbreviation
abdication
aberration
abomination
abrogation
acceleration
acclamation
acclimation
accommodation
accreditation
accumulation
accusation
acidification
activation
adaptation
adjudication
administration
admiration
adoration
adulation
adulteration
advocation
affectation
affiliation
affirmation
affrication
agglomeration
covered cutting
tunnel