dense or density
Cumbersome--- meaning hard to use or handle due to size or weight.
[object Object]
"Random" is a word which has the meaning haphazard without aim.
The word mass in science means the density of an object.
The word meaning "with constant frequency" is an adjective. The word meaning "a frequent customer" is a noun.
Hard, loud, rough.
The word "throne" has a hard "th" sound, as in the word "think."
-th in smooth is hard as in words like there or then
The word "grudge" starts with a hard g consonant. The soft g sounds like a j, such as the soft g sound at the end of the word "grudge."
soft
soft
I am guessing that you mean tough. Antonym for that depending on your meaning would include: weak, malleable, compliant.
The pronunciation of the letter "a" can vary depending on the word. It can be pronounced as a "soft a" or a "hard a" sound.
piano
soft
soft
The Italian word for "very soft" is "molto morbido."