Another word game

[toothless-dog]

If you want to give it a go.

You need to alter one letter or add or leave off one letter to the word.
Like this,
Shop
ship
shin
skin
king etc

[nicnacs_4u]

ectoplasm (-s)

[twyngwyn]

Pectorals (m>r)

[countessalmirena]

operatics (L->i)

[mytreechange]

apricots (-e)

[twyngwyn]

apricot (-s)

[countessalmirena]

tropical (+L)

[twyngwyn]

Optical (-r)

[nicnacs_4u]

Opticals (+s)

[twyngwyn]

topical (-s)

[mytreechange]

caltrop ....... (i>r)