sugu
1.

A term describing a prompt or instantaneous response or action, emphasizing the lack of delay in time between events.

2.

A word indicating proximity, suggesting that something is very close in distance or location, often used to refer to immediate surroundings.

3.

A descriptor for a straightforward or honest demeanor, signaling the absence of deceit or deviation in behavior or appearance.

Example:

彼は警官を見るとすぐ、逃げた。

masugumaっすぐssugu
1.

Describing a path or movement that follows a single, unbending trajectory without deviation or turns.

2.

Indicating a manner of honesty or straightforwardness, where there is no attempt to conceal anything or mislead.

3.

Referring to a posture or alignment that is vertical, lacking any slouch or bend, conveying a sense of firmness or stability.

Example:

あなたはきのう放課後まっすぐ帰宅しましたか。