'Happy' has no suffix. You could put a prefix on it though, as in 'unhappy', where 'un-' is the prefix.
Yes a suffix of happiness and and a prefix of unhappy.
'Happiness' is not a suffix, but it as one in it (-ness).
The suffix -ness added to the adjective 'happy' forms the noun happiness (don't forget to turn the ending 'y' to 'i' before adding the suffix).
Dishappy
Happily
happiness laziness sadness
happiness
silliness happiness fairness hopelessness brightness
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.
Happily
happiness laziness sadness
'ness' To create an abstract noun, add the suffix 'ness' - eg, angriness, happiness, silliness, boredness.
joyous
No, because the -ness is a suffix. The root word of happiness is happy.
happiness
silliness happiness fairness hopelessness brightness
The suffix affects a word's part of speech. For example, the word 'happy' is an adjective. When you change the suffix, it changes the part of speech. If you change 'happy' into 'happiness' it becomes a noun; when you change it into 'happily' it becomes an adverb.
The formation -ness is a suffix, added to the end of some words to form a noun.Examples: kind -- kindness, sweet -- sweetness. happy -- happiness
There are dozens of words that use the suffix ness. Some of these are stiffness, sickness, illness, harshness, and evasiveness.
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.
Neglectful combines "neglect" with the suffix "-ful".