Swim.
The answer to what is the baseword to thoughtful is ful...
signify
merchand
A baseword is the main part of a word to which prefixes and suffixes can be added to create new words. It is the central meaning or core element of a word before any affixes are attached.
There isn't one.
That would be "strength".
The root word is dance.
What is the base word in unseated
The base word for conclusion is "conclude."
The base word for "disappear" is "appear."
Tradition is the baseword :)
The base word of serial is series. I think..