Words

Tigrinya
ṣäbbä - to be narrow (TED 2578)
Tigrinya
ṣəbbaḥ - morning (TED 2575)
Tigrinya
ṣäbbäṭä - to squeeze, to compress into a ball (mud, dough, etc.), to make bread balls (for a journey) (TED 2581)
Tigrinya
täṣäbbäyä - to wait; to await, to stand by; to persevere, to expect (TED 2580)

Probably related

Tigrinya
ṣädäfä - to fall down, to fall off a cliff, a high building, to fall in a chasm (TED 2613)
Tigrinya
ṣädfi - mountainous and steep place; cliff (TED 2614)
Tigrinya
ṣäfˁi - cow-dung (WTS 631)

Not in Bassano 1918.

Tigrinya
ṣəfri - claw (TED 2627)
Tigrinya
ṣägäbä - to become sated, full, to be satiated (TED 2617)
Tigrinya
ṣägʷri - herd of cows of the same color (TED 2616)