Seven letter words change one or two letter to make a new word

[Biffster]

shivers
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[Thin_Ice]

service

[Annie-Xmas]

viceroy

[burpo_the_wonder_mutt]

Voyager

[Thin_Ice]

gravely

[Biffster]

Virally
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[Thin_Ice]

trivial

[burpo_the_wonder_mutt]

Vitalis

[Biffster]

slavish
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[burpo_the_wonder_mutt]

Slovaks

[Biffster]

asshole

(Does that count?)
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[burpo_the_wonder_mutt]

(Does in my book)
BIP:

slaloms

[Biffster]

smaller
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[Thin_Ice]

smelter

[burpo_the_wonder_mutt]

trellis

[Biffster]

strolls
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[Thin_Ice]

stollen

[Biffster]

A tasty fruit-bread—nice!

tolling
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[Thin_Ice]

yum yum

hosting

[Biffster]

shining
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