No, because in general words cannot be copyrighted.
However, if you mean "trademarked", then the answer is more interesting, and depends upon whether your use of the similar mark is likely to cause confusion to those who might purchase your products or services in the mistaken belief that they had the same source and quality of those marketed under the earlier brand.
An attorney experienced in trademarks and patents may be able to help you obtain a clearance opinion to determine the risks of using your proposed words in a particular country in a particular way.
You can add the suffix "ment" to form the word "involvement."
Sure, if you add the suffix "-ly" to the word "significant," it becomes "significantly."
The correct way to add the suffix "hood" to the word "likely" is to drop the "y" and add the suffix, resulting in "likeliness."
You could add the suffix -s to it to make the word isles.
To add a suffix to "habitat," you would simply attach the suffix to the end of the word. For example, adding the suffix "-ion" would create the word "habitation."
You can add the suffix "-tion" to the word "signal" to create "signaltion," although this is not a commonly used word.
transportor this is the answer
you can do this by making the word suburban or subtend
A homophone for sighs is size. To change the word size into a verb, you can add the suffix -s, creating the word sizes.
One suffix you can add is -en. In this case, the word would be seen.
Yes you can, you can add a suffix like -ing or -ed
The suffix to add to "excite" is "-ment", forming the word "excitement".