Take, Change, Add, Rearrange

[Space cat]

receipted:

receptive

 

[conny]

receptive

Perceptive

 

[Susiejb]

perceptive

perspective

 

[Space cat]

perspective:

(Our first eleven letter word! )

prospective

 

[Susiejb]

had to take two got stuck

prospective
stovepipe

 

[Space cat]

stovepipe:

stovepipes

(A cop-out I know but the game had stalled and the extra "s" might help.)

 

[Susiejb]

stovepipes

soppiest

(had to take two )

 

[imamartian]

the rules say you can pass if you get stuck... so the next word is

pass?

 

[Space cat]

soppiest:

pitstops

 

[Susiejb]

pitstops

tiptops

 

[Space cat]

tiptops:

tiptoes

 

[Susiejb]

tiptoes

potties

 

[Space cat]

potties:

pottiest

 

[Susiejb]

pottiest

spottiest

 

[Space cat]

spottiest:

sportiest