infix (n.)
- accidence
- add
- affix
- affixation
- allomorph
- annex
- appendix
- aside
- bed
- burden
- coda
- codicil
- commentary
- condition
- conjugation
- cutting
- declension
- derivation
- envoi
- epilogue
- episode
- etch
- fix
- formative
- found
- grave
- ground
- impact
- implant
- impress
- imprint
- inflection
- injection
- inlay
- insert
- insertion
- insinuation
- intercalation
- interjection
- interpolation
- introduction
- jam
- lodge
- marginalia
- morph
- morpheme
- morphology
- morphophonemics
- note
- ornament
- pack
- paradigm
- parenthesis
- plant
- plus
- postfix
- postscript
- prefix
- prefixation
- program
- radical
- remark
- rider
- root
- scholia
- seat
- set
- settle
- stamp
- stem
- stereotype
- suffix
- suffixation
- tag
- tail
- theme
- wedge
infix (v.)
- add
- adjoin
- affix
- agglutinate
- annex
- append
- aside
- attach
- bed
- brainwash
- burden
- catechize
- complicate
- condition
- confirm
- conjoin
- decorate
- deep-dye
- define
- embed
- encumber
- engraft
- engrave
- entrench
- establish
- etch
- fix
- found
- grave
- ground
- imbue
- impact
- implant
- impregnate
- impress
- imprint
- inculcate
- indoctrinate
- infuse
- ingrain
- inlay
- inoculate
- inscribe
- inseminate
- insert
- instill
- jam
- lodge
- morph
- note
- ornament
- pack
- plant
- plus
- prefix
- program
- remark
- root
- seat
- set
- settle
- stamp
- stem
- stereotype
- subjoin
- suffix
- superpose
- tag
- tail
- tessellate
- theme
- wedge
