Naughty words :)))

i would say"heterogeneity"

there are three consecutive schwa

I have not thought about it yet.

( World ).... I don't know how to pronounce the r then l clearly.

months

I'm not sure but I think you can pronounce it without the th as (muns) .

The samething for (clothes) you can say ( close)

(strengths) ......(strengs)

yes. it is hard to me to make "s" sound after "th" sound

The words of Woman and women or  building are hard to pronunce for me.

Could you explain what syllables or sounds you have found a difficulty in pronouncing them in those words ?

While I'm speaking to pronounce "wo" and "uil" sounds are difficult to me. My mouth and tounge couldn't give me an easy way to pronounce this sounds.

three and tree , car and card , and very word like this