considering, considerably
No. The word earthquake is a compound word. Two words put together to make one. If it was a base word it would need a prefix or suffix.
Stare could be the word you are looking for.
Yes, as an architectural term.It is subbase or sub-base to mean a baseboard or lowest pedestal part.
Consider is a verb.
A word based on the name of a person or place is called an "eponym." A list of eponymous words (without their definitions) is at http://members.tripod.com/~foxdreamer/page2.html
considering and consideration
considering considerably
No, many words are base words and that is their only form.Examples:aanofon
Hesitating and hesitation are two words with the base word "hesitate."
Two words with the base word endow are endowment and unendow.
Endowing and endowment are two words with the base word "endow."
Some words that can be spelled with the letters in the word "base" are: sea, sab, and abs.
non dosen't have a base word it's a base word to other words Samira Louis-Jeune
A base word is a word by itself, and you can add prefixes and suffixes to change the tense. ("Sing is a word by itself, but I can change it to "singing" or "singer.") A root word has no meaning on its own; you have to add suffixes and prefixes for it to mean anything at all. ("Rupt" is not a word, but I can make it "disrupt" or "erupt" or "rupture.")
"Name" is the base word of "renamed."
The base word of "swooped" is "swoop."
The answer is there are no answers to that ?