to face off, to confront

freezing / (finance) freezing / (computing, uncommon) compression of an archive / (Internet) suspension of an account (usually on Twitter)

to freeze / (finance) to freeze / (computing, uncommon) to compress an archive / (Internet) to suspend an account (usually on Twitter)

missing number in a series

an escape path from surrounding enemies / a way out from a difficult situation

shale

acupoint (a specific point on the body where acupuncture is applied)

consanguinity, blood (family relationship due to birth, e.g. between siblings)

blood relation, blood relative

sphygmomanometer