のこぎりnokogiri
1.

A handheld tool designed for cutting through various materials such as wood, metal, or stone, featuring a long blade with a series of sharp teeth along its edge that can slice through objects when pushed or pulled.

2.

A device used in woodworking and construction, typically consisting of a serrated metal blade mounted on a handle, allowing for precise cuts through tough surfaces with either manual or powered operation.

Example:

彼は丸太をのこぎりでひいて板にしている。

いとのこ糸鋸itonoko
1.

A type of saw characterized by a thin, flexible blade that is secured at both ends to a curved frame, primarily used for intricate cuts and shaping materials like wood by cutting out shapes and patterns.

2.

A specialized saw designed to make precise, curved, or intricate cuts in panel materials, featuring a fine blade that resembles a strand of thread and is attached to a semi-circular frame, allowing for controlled maneuverability.

Example:

ジグソーとは糸鋸の事で、名前の由来はそこからきているの。

おが大鋸ogaおおが大鋸ooga
1.

A large, traditional saw used for vertically cutting timber into boards, typically operated by two people pulling on a frame to increase cutting efficiency.

2.

A historically significant tool that evolved over time, originally featuring a simple frame and later adapted for single-person use, reflecting developments in woodworking practices from the Muromachi to the Edo period.