-US/-UM to -I Word List

All of the words below form another word when the trailing -US or -UM is replaced with -I.

AB-A-CUS
AB-O-MA-S-UM
AB-O-MA-S-US
ACANTHUS
ACARUS
ACINUS
ACULEUS
AL-UM-NUS
AL-VEOLUS
AM-I-CUS
AM-U-S
AN-E-S-TRUS
AN-I-MUS
AN-NUL-US
AN-US
APICULUS
AS-CUS
AUREUS
BA-CCHIUS
BA-CILLUS
BO-LE-TUS
BRO-NC-HUS
BY-S-SUS
CACTUS
CAD-UCEUS
CALAMUS
CALATHUS
CALCULUS
CAM-P-US
CAN-T-HUS
CAR-OL-US
CAR-P-US
CERCUS
CESTUS
CHI-A-S-M-US
CHI-LL-UM
CHORAGUS
CHORE-GUS
CIRRUS
CLAVUS
CLYPEUS
COCCUS
COENURUS
COL-OBUS
COL-ON-US
COL-OSSUS
CON-GIUS
CON-US
CROC-US
CULT-US
CUM-ULUS
DACTYL-US
DE-N-ARIUS
DIS-C-US
ECHINUS
EL-ENCHUS
EM-BOLUS
EM-E-RITUS
EPHEBUS
EPIGON-US
ER-E-MURUS
EURIPUS
FA-MULUS
FLOC-CUS
FOCUS
FRACTUS
FUCUS
FUMULUS
FUN-D-US
FUN-GUS
GEN-IUS
GLUT-EUS
GYRUS
HA-M-ULUS
HI-LUM
HI-LUS
HUM-ERUS
IAMB-US
IN-CUBUS
IS-THMUS
LA-P-ILLUS
LA-R-UM
LECYTHUS
LEK-YTHUS
LI-MB-US
LI-MULUS
LO-CULUS
LO-CUM
LO-CUS
LO-T-US
MA-G-US
MA-LL-EUS
MA-MMA-TUS
ME-D-IUM
ME-D-IUS
ME-N-ISCUS
MI-NUS
MO-D-I-OLUS
MO-D-ULUS
MO-D-US
MO-M-US
NA-E-VUS
NA-UPLIUS
NA-UTILUS
NE-VUS
NIDUS
NIL-GAU-S
NIL-GHAU-S
NIM-BUS
NISUS
NO-D-US
NU-CELLUS
NU-CLEUS
NYLGHAU-S
OBE-LUS
OBOL-US
OCELLUS
OCTOPUS
OCULUS
PA-L-P-US
PA-N-DA-NUS
PA-P-PUS
PA-P-YRUS
PHALLUS
PI-LE-UM
PI-LE-US
PI-LUS
PLAT-Y-PUS
PLUTEUS
POL-Y-P-US
PRIAPUS
PRIM-US
PRO-TEUS
PUL-VINUS
PYLORUS
RAD-IUM
RAD-IUS
RAM-US
RE-C-TUM
RE-C-TUS
RE-G-ULUS
RHIZOPUS
RHO-MB-US
RHO-NCHUS
SAC-CULUS
SCALE-NUS
SCIRRHUS
SCYPHUS
SEN-ARIUS
SI-LENUS
SO-L-E-US
SO-L-I-D-US
SO-L-UM
SO-L-US
SO-RUS
SPLENIUM
SPLENIUS
STIMULUS
STRATUM
STRATUS
STY-LUS
SUCCUBUS
SULCUS
SYLLABUS
TA-LUS
TA-R-S-US
TA-X-US
TERM-INUS
THALAMUS
THALLUS
THRO-MBUS
THY-MUS
THY-RSUS
TI-MPANUM
TO-P-H-US
TO-R-US
TRAGUS
TUMULUS
TYMPAN-UM
UN-AU-S
UN-CI-NUS
UN-CUS
URAEUS
UT-ERUS
VAGUS
VILL-US
VOLVULUS

XYST-US

This list submitted by Paul Holser