"Firmity" is a word in ENGLISH

bákud - Strength, firmness, stability, stoutness; to be or become strong, firm, stout, sturdy. Nagbákud na ang ámon baláy, kay …

To destroy the strength, firmness, or consistency of; as, to break flax.

To make firm or firmer; to add strength to; to establish; as, health is confirmed by exercise.

To give strength or ability to; to make firm and strong.

That strength or firmness of mind which enables a person to encounter danger with coolness and courage, or to bear …

Power to resist attack; strength; firmness.

Exhibiting strength; sound; healthy; firm; not weak; as, a hearty timber.

húnit a {1} tough and resilient. Húnit ang tsitsarun, lisud usápun, These pork rinds arent crisp. Theyre tough and re-silient …

Strength; power; firmness; inflexibility; as, to rule with a rod of iron.

kabádang - Habit, stability, strength, firmness, solidity. (bádang).

kabákud - Strength, firmness, stability, robustness. (bákud).

kabakúran, kabakurán - (H) Strength, solidity, steadfastness, firmness; fortification, fortress. (cf. kabákud).

kapátol - Strength, firmness, determination. (cf. pátol, kabákud, kahúnlit, kahúnit).

lig-un a {1} strong, sturdy, durable. Lig-un kaáyu ning baláya kay walà matumba sa bagyu, This is a strong house …

págrus - Strong, muscular; to do with force or strength; to be or become strong, firm, robust. (cf. bákud, purús, …

pamakurán - (H) Fortress, fort, fortification, stronghold; strength, firmness, durability, stability. (cf. bákud, palamakurán, pamakudán).

Destitute of a manly or courageous strength and firmness of mind; of weak spirit; mean-spirited; spiritless; cowardly; -- said of …

Moral firmness; soundness; strength; validity; truth; certainty; -- as opposed to weakness or fallaciousness; as, the solidity of arguments or …

The state or quality of being stable, or firm; steadiness; firmness; strength to stand without being moved or overthrown; as, …

The fixed, firm part of a body, which supports it or gives it strength and solidity; as, the bones are …