Rode-Road merger

Pane-pain merger
The pane-pain merger is the merger of /e:/ and /eI/ occurring for most English speakers. Some English English and Welsh English dialects lack such and distinguish "pane" and "pain", "mane" and "main" etc.

Toe-tow merger
The toe-tow merger is the merger of /e:/ and /eI/ occurring for most English speakers. Some English English and Welsh English dialects lack such and distinguish "pane" and "pain", "mane" and "main" etc.

Meet-meat merger
The meet-meat merger is the merger of the historically distinct vowels in "meet" and "meat" occurring for most English speakers. Some dialects in England preserve the distinction and for them "meet" /mi:t/ and "meat" /mI@t/ are distinct.

Rode-road merger
The rode-road merger is the merger of /oː/ and /oə/ making "rode" and "road", "cole" and "coal" etc. homophones. Some Welsh English speakers distinguish "rode" /roːd/ and "cole" /ko:l/ from "road" /roəd/ and "coal" /koəl/.

Muse-mews merger
The muse-mews merger is the merger of /yː/ and /ɪu/ making "muse" and "mews", "due" and "dew" etc. homophones. Some Welsh English speakers distinguish "muse" /myːz/ and "due" /dyː/ from "mews" /mɪuz/ and "dew" /dɪu/.

Mute-suit merger
The mute-suit merger is the merger of /yː/ and /ʏ/ making "mute" and "suit", "fuse" and "cruise" etc. rhyme. Some Scottish English speakers distinguish the vowel in "mute" /myːt/ from that in "suit" /sʏt/.

Cue-shoe merger
The cue-shoe merger is the merger of /yː/ and /ɯː/ making "cue" and "shoe", "due" and "canoe", and "muse" and "lose" rhyme. Some Scottish English speakers distinguish the vowel in "cue" /ky:/ from that in "shoe" /ʃɯː/.

Some-son-sun merger
The some-son-sun merger is the merger of /ø/, /œ/ and /ʌ/ making "son" and "sun", "some" and "sum", "done" and "dun" etc. homophones. Some Scottish English speakers distinguish the vowels in "some" /søm/, "son" /sœn/, and "sun" /sʌn/.

Yack-yak merger
The yack-yak merger is the merger of /k/ spelled "k" or "c" and /χ/ spelled "ck". Some Welsh English speakers distinguish "yack" and "yak" as /jæχ/ and /yæk/.

Faze-phase merger
The faze-phase merger is a merger of /f/ and /p̪͡f/. Some Scottish English speakers distinguish "faze" /fe:z/ and "phase" /p̪͡fe:z/.

Butt-butt merger
The but-butt merger is the merger of /V/ and /3/. Some Scottish English speakers distinguish the vowels in "but" and "butt" as /bVt/ and /b3t/, "bus" /bVs/ and "buss" /b3s/, "mud" /mVd/ and "Fudd" /f3d/, "dun" /dVn/ and "Dunn" /d3n/ "sun" /sVn/ and "sunn" /s3n/ etc.

Mass-gas merger
The mass-gas merger is the merger of /a/ and /{/. Some Scottish English speakers distinguish the vowels in "gas" /g{s/ and "mass" /mas/, "ad" and "add" as /{d/ and /ad/ etc.

From-rum merger
The from-rum merger refers to the use of the strut vowel rather than the lot vowel or thought vowel occurring in the words "of", "what", "was", "from", "somebody", "anybody", "everybody", "nobody" and for some speakers "because" and "want". In New England English the STRUT vowel is also used by some speakers in "got", "gotta", "gotten", "forgot", "forgotten", "hot" and "put".