Obstinate is accented on the first syllable.
In the word "obstinate," the second syllable "sti" is the most strongly accented. The stress falls on the second syllable when pronouncing the word: ob-STI-nate.
The word circumstance has three syllables. It is accented like cir'-cum-stance.
The most usual way of finding the accented syllable of a word is to listen to how people pronounce that word. If there is a preponderant type of pronunciation, which is to say, a pronunciation that is used by most people, chances are it is correct (although if you are living in a community with its own dialect, you will only learn what is correct for that dialect, not necessarily what is more generally accepted as correct English). The other way is to check a dictionary. Dictionaries give spelling and pronunciation, including accents on syllables, for the words that they define.
In general, we often see reference works suggest emphasis on the first syllable. But it depends on the usage. The word conflict has the two syllables. In some applications, the first one is accented, and in yet others, the second syllable gets the accent. Let's look at a couple of examples. The conflict wore on the people of the north, and they rose en masse to force out the rebel combatants. [The first syllable gets the accent.] If we were to make that programming change, the new instructions would conflict with existing programming and the machine would lock up. [The second syllable is accented here.] There seems to be a tendency that usage as a noun gets an accent on the first syllable, and the usage as an intransitive verb gets that accent moved to the second syllable.
In most two-syllable nouns in English, the stress falls on the first syllable.
In the word "obstinate," the second syllable "sti" is the most strongly accented. The stress falls on the second syllable when pronouncing the word: ob-STI-nate.
The first syllable is most strongly accented. (mag-net)
The second syllable is accented.
superficial is most strongly accented?
The first syllable
The first syllable.
The word circumstance has three syllables. It is accented like cir'-cum-stance.
The first.
The second one.
In the word magnificent the second syllable is most strongly accented.Mag-nif-i-cent.
In the word "circumstances," the second syllable "cum" is most strongly accented. This is because it contains the primary stress in the word, as indicated by the emphasis placed on that syllable when pronouncing it. The syllable "cir" also carries a secondary stress, but it is not as strongly accented as the "cum" syllable.
The first syllable of "noticeable" is accented.