Yes, there are different words for acids and alkali, depending on the context and level of formality:

For Acids:

* Acid: This is the most common and general term.

* Sour: Used to describe the taste of acids (though you should never taste them!).

* Acidic: This is an adjective meaning "having the properties of an acid".

* Acetylic: This is a more specific term used to describe acids containing the acetyl group (CH3CO-).

* Protic: This term is used in chemistry to describe acids that donate a proton (H+).

* Acrid: This describes a sharp, biting taste or smell, often associated with acids.

For Alkali:

* Alkali: This is the most common term. It's often used interchangeably with "base".

* Base: A more formal and scientific term for a substance that neutralizes acids.

* Alkaline: An adjective meaning "having the properties of an alkali".

* Caustic: This describes a substance that can burn or corrode materials, which is a common characteristic of strong alkalis.

Note: "Alkali" and "base" are often used interchangeably, but "base" is more accurate scientifically. "Alkali" specifically refers to bases that dissolve in water.

Here's a table summarizing the terms:

| | Acid | Alkali |

|---|---|---|

| General Term | Acid | Alkali/Base |

| Taste | Sour | Bitter |

| Chemical Definition | Proton donor | Proton acceptor |

| Specific Types | Protic, acetylic | |

| Other Descriptors | Acrid | Caustic |

Remember that the best word to use depends on the specific context and the level of formality needed.