frequent, frequenting, frequently
These words are called cognate words. They are related to each other by the root word, but they are not the same exact word.
One of two or more words (commonly words of the same language) which are equivalents of each other; one of two or more words which have very nearly the same signification, and therefore may often be used interchangeably. See under Synonymous.
Hidden, disguised, covered are three words that can all mean the same as concealed.
The word is "suffixes". And you can find the answer by opening your dictionary at "apology" and looking for other words with the same root but different endings.
Homo means to be the same. Like the word homo phone which means words who have the same sound but different meanings.HomonymHomogeneousHomozygousHomosexualCohomologyBonhomousThe opposite of the root "homo" is "hetero", meaning "different.
Amplified
Amplify, ample, and amplification all have the same root word as amplitude, which is "ample".
Amplified
Three words that have the same root word as "trough" are "troughed," "troughs," and "troughing."
frequent, frequenting, frequently
erupt, abrupt, corrupt
Some words that have the same root words as poverty include: Impoverished Impoverishment Impoverish
I have seen the word "doublet" used to mean two words that come from the same root word.
They're not. The same amplitude can have high or low frequency, and the same frequency can have large or small amplitude.
The waves with the same amplitude are the ones that have equal height or intensity.
electricity, electric
Four of anything minus one of the same thing always leaves three of them.