ingles [with an accent on the 'e']
mira
"Mira" in Spanish translates to "look" or "see" in English.
No, it doesn't look anything like a Spanish or Portuguese word. It is English.
supertriste is not a spanish word, but it looks like a combination of the english word super and the spanish word for "sad", so it might mean "supersad"
Some words look the same but sound different, like hotel. Is that what you meant?
"castellanos" is not a word in English language, -look in Spanish.
"lower" is not a Spanish word. English adverb/adjective 'lower' = 'mas bajo' in Spanish English 'to lower' = bajar English 'lower' in the sense of 'look furious' = mirar san~udo
like
Like an a. Edit: it is pronounced ah, not like an a. The equivalent Spanish word to the English word 'a' is, 'un', 'uno' or 'una'
A cognate.
the word that is the same in English and spanish is the word "no".
nide is not an English word or a Spanish word.