English Coach

thread 縫い糸、筋道、脈絡、人のように細いもの、インターネットの掲示板のスレッド　⇔ threat 脅迫、おどし、（悪い事のきざし、前兆）

thread : a long, thin strand of cotton, nylon, or other fibres used in sewing or weaving, theme or characteristic running throughout a situation or piece of writing

threat : a statement of an intention to inflict pain, injury, damage, or other hostile action on someone in retribution for something done or not done, a person or thing likely to cause damage or danger

She made a muffler by spinning thread of wool.