The noun form is one word "breakdown" (loss of mental stability, or machine failure, or thorough analysis). The verb form is two words, to "break down" i.e. to fail, or to take apart.
Angling has two syllables, with the accent on the first. The syllable breakdown is an-gling
Biggest has two syllables, with the emphasis on the first. The syllable breakdown is big-gest.
There are two syllables in "shameful," with the accent on the first. The syllable breakdown is shame-ful.
One can find a breakdown car recovery service by contacting or visiting AA or the RAC which are two of the biggest breakdown recovery specialists offering many deals for their customers.
It is used as one word.
no it is not an one word it is of two word
She went into the hospital because of a nervous breakdown.
Hipbone is one word.
I think the word "ongoing" is only one word, but it has two syllables that are two separate words.
The word "hairbrush" is typically written as one word, not two.
One word, two syllables
It is one word.