Saathi, sadiq, mitr, dost, compatriot, ally, partner, amigo, counterpart,
Alternative words (synonyms) for leakage:drainageseepageoozingleechingescape, leak, outflow, drip, trickle
There are many alternative words. Try spoke or stated. There is also mentioned.
If the teacher asks for alternative words for a given word or words then he's asking for some synonyms or other words that mean the same as the ones you have.
A thesaurus - is a book of alternative words.
An alternative to addressing someone as "sir" or "ma'am" is to use gender-neutral terms like "they/them" or "friend" when speaking to them.
Alternative homophones are words that sound the same as other words but are spelled differently and have different meanings. For example, "peace" and "piece," "write" and "right," "flour" and "flower" are alternative homophones.
Quick nosh
gold, gilded, gilt
Alternative words for unsubstantiated include: debatable; unproven; uncertain; disputable; arguable; controversial. It means that something is uncorroborated and supported by a lack of evidence.
A gender-neutral alternative to "sir" or "ma'am" that can be used to address individuals respectfully is "they/them" or "friend."
alternative fuelsampere
Alteration, alternative, alternate...