How about an 8 letter version of the word game

[OLD GIRL, CLECKHEATON]

.
Dentists = Desisted

desisted = tidiness

[Barrowman, Bedford]

.
Tidiness = Insiders

[Pete, Caerphilly]

.
Tidiness = Insiders

Hi Dave apologies about the distance from the sea, but you obviously get there as you have a brilliant pic of The World. Much better than mine as the lights make it look magical


Insiders = resisted

[Catch us if you can!, London]

Hi Dave apologies about the distance from the sea, but you obviously get there as you have a brilliant pic of The World. Much better than mine as the lights make it look magical


Insiders = resisted

resisted = insisted

[OLD GIRL, CLECKHEATON]

resisted = insisted

insisted = steadies

[Barrowman, Bedford]

.
Steadies = Diseased

[Catch us if you can!, London]

.
Steadies = Diseased

Diseased = Seasoned

[Barrowman, Bedford]

.
Seasoned = Reasoned

[Catch us if you can!, London]

.
Seasoned = Reasoned

Reasoned = Derision

[Barrowman, Bedford]

.
Derision = Insiders

[Debs, Wirral]

insiders = decision

[Barrowman, Bedford]

.
Decision = Seconded

[Debs, Wirral]

seconded = secluded

[Barrowman, Bedford]

.
Secluded = Deducted

[jimtheoldsalt, felixstowe]

how about

mantissa = staminal (the adjectival form of stamina)

this really is very hard maybe we should allow two letters to be changed? Any Thoughts?

Staminal= mainsail

jim