Which of the three words Speak.teach.weather and ea is pronounced differently?

Ea in _peak reads the long vowel I: ea i: the teacher also reads the long vowel I: ea i: weather reads the third vowel e.

_a pronunciation rules:

1, ea letter combination is pronounced in the open syllable: [i_], examples of absolute open syllable words: Haihai, flea. 2.ea letter combination is pronounced in the open syllable: [i_], and words with relatively open syllables such as: please makes you like, peace. 3. The pronunciation of the closed syllable in ea letter combination: [e], and the word example: bread, weather. 4. ea is also very common when pronouncing [i:] in the closed syllable structure. Example: Zhuzhu, read.

_ hey?

_a pronunciation: [ei], word example: great great, break.

_a Pronunciation: [i_], word example: true and practical, ideas