| Sound change abbreviation | Sound change name | | ABBR | Abbreviation |
| ADD | Additions (Epenthesis) |
| AE | Analogical Extension |
| AF | ɑ-Fronting |
| AL | Analogical Levelling |
| AND | Adaptation of Norse Diphthong |
| ANGL | Anglicization |
| AUS | [au] smoothing |
| AV | Affricate voicing |
| ÆRA1 | æ-raising to [ɛ] |
| ÆRA2 | æ-raising to [ɪ] |
| BAG | Boundary Across Grapheme |
| CHD | Coda [h]-deletion |
| CL | Compensatory lengthening |
| CLHD | Cluster h-deletion |
| CS | Cluster Simplification |
| CV | Coda vocalisation |
| CXL | Cluster [x]-lenition |
| DAS | Diphthong Accent Shift |
| DG | Degemination |
| DH | Dental Hardening |
| DN | Diphthong Neutralisation |
| DS | Dental Spirantisation |
| ER | [e] raising |
| ERD | Early r-Deletion |
| EYU | [ey] unrounding |
| FA | Fusional Assimilation |
| FCD | Final Coronal Deletion |
| FCE | Final Consonant Excrescence |
| FD | Final Devoicing |
| FE | Formation Error |
| FFD | Final Fricative Devoicing |
| FGD | |
| FHD | Final h-deletion |
| FND | Final Nasal Deletion |
| FSVF | Fricative-Sonorant Voicing Filter |
| FTBS | Final backspelling |
| GED | ge-Deletion |
| GF | Glide formation |
| GI | Gaelic Influence |
| GM | Graphemic Metathesis |
| GW | Gamma weakening |
| HL | Homorganic Lengthening |
| IDGF | Initial Diphthong Glide Formation |
| IFD | Initial Fricative Devoicing |
| IFV | Initial Fricative Voicing |
| IHD | Initial [h] dropping |
| IHI | Initial h-insertion |
| IOM | io-merger |
| IS | Internal Sandhi |
| IUVD | Initial Unstressed Vowel Deletion |
| LA | Lexical Analogy |
| LÆR1 | Long [æː] Raising 1 |
| LÆR2 | Long [æː] Raising 2 |
| LEL | Long [ɛː] lowering |
| LER | Long [eː] Raising |
| LI | Latin Influence |
| LL | [l]-loss |
| LMVS | Late mid-vowel shortening |
| LNUF | Labial/nasal [u]-fronting |
| LOU | Labial [o]-unrounding |
| LSS | Low Stress Shortening |
| LV | [l] vocalisation |
| MFV | Medial Fricative Voicing |
| MONO | Monophtongisation |
| MR | Morphological Reanalysis |
| MS | Medial Syncope |
| MT | Metathesis |
| NAU | Norse [ɒ] unrounding |
| NEF | No Explanation Found |
| NEFO | No Explanation Found for Onomastic |
| NF | Northern Fronting |
| NFDV | Norse Fricative Devoicing |
| NFI | Norman French Influence |
| NGIG | Norse [g] incorporated as gamma. |
| NIDP | Norse-Influenced De-Palatalisation |
| NIOU | Norse-Influenced [o] unrounding |
| NIPI | Norse-Influenced Pre-Iotation |
| NJV | Norse [j] Vocalisation |
| NONE | none |
| NPA | Nasal Place Assimilation |
| OCV | Onset Cluster Vocalisation |
| OSL | Open Syllable Lenghtening |
| PAL | Palatalisation |
| PASH | Palato-alveolar shift |
| PBB | pre-[b] buccalisation |
| PCS | Pre-cluster Shortening |
| PDS | Pre-D Shortening |
| PF | Palatal fronting |
| PFSS | Pre-Final Sonorant Syncope |
| PFXL | Prefix lexicalisation |
| PIFD | Pre-Inflectional Fricative Devoicing |
| PL | Paradigm leveling |
| PLD | Pre-[l] Diphthongisation |
| PNSE | Post-Nasal [d] Epenthesis |
| PRD | Pre-[r] dentalisation |
| PRDF | Pre-R Dentalisation Fudge |
| PREL | Pre-[r] [e]-lowering |
| PRUL | Pre-[r] [u]-lowering |
| PSE | Possible Scribal Error |
| PXD | Pre-[x] Diphthongisation |
| RIIR | [r]-infulenced [ɪ] retraction |
| RM | r-Metathesis |
| SA | Spelling Analogy |
| SAR | Short [ɑ] Raising |
| SCSE | s-Cluster Stop Epenthesis |
| SCVE | Sonorant Cluster Vowel Epenthesis |
| SEL | Short [e] lowering |
| SFF | Smoothing of [ai] before Front Fricatives. |
| SFFV | Sporadic Final Fricative Voicing |
| SFXL | Suffix lexicalisation |
| SI | Sibilant Interchange |
| SM | Smoothing |
| SVL | Short vowel lowering |
| SVLR | Scottish Vowel Length Rule |
| SVLU | Short Vowel Lowering in Unstressed Syllables |
| SVOL | Short Vowel Over-Lowering |
| SVSI | Sonorant-vowel spelling inversion |
| TEP | [t] epenthesis |
| TF | Triphthong Filter |
| TH | Theta Hardening |
| THF | Th-Fronting |
| THS | /θ ð/-Stopping |
| TRUNC | Morphological Truncation |
| TSS | Tri-Syllabic Shortening |
| UDR | Unstressed Diphthong NeutralisationP: probably reduction? |
| UR | [y/ø] unrounding |
| VA | Voicing Assimilation |
| VFL | Voiced fricative loss |
| VV | [v]-vocalisation |
| WD | [w]-deletion |
| WFVD | Weak Final Vowel Deletion |
| WI | [w]-Influence |
| WUL | [wu]-lengthening |
| WVN | Weak Vowel Neutralisation |
| WVR | Weak Vowel Raising |
| XH | [x]-hardening |
| XTMA | [xt] mutual assimilation |
| XW | [x]-weakening |
| XWF | [xw]-fortition |
| YA | Yod-Absoption |
| YD | Yod Deletion |
| YE | Yod Epenthesis |