The word "Solah" In the Quran - Baqara

(1) Who believe in the Unseen, are steadfast in prayer, and spend out of what We have provided for them;
( سورة البقرة , Al-Baqara, Chapter #2, Verse #3)

(2) And be steadfast in prayer; practise regular charity; and bow down your heads with those who bow down (in worship).
( سورة البقرة , Al-Baqara, Chapter #2, Verse #43)

(3) Nay, seek (Allah's) help with patient perseverance and prayer: It is indeed hard, except to those who bring a lowly spirit,-
( سورة البقرة , Al-Baqara, Chapter #2, Verse #45)

(4) And remember We took a covenant from the Children of Israel (to this effect): Worship none but Allah. treat with kindness your parents and kindred, and orphans and those in need; speak fair to the people; be steadfast in prayer; and practise regular charity. Then did ye turn back, except a few among you, and ye backslide (even now).
( سورة البقرة , Al-Baqara, Chapter #2, Verse #83)

(5) And be steadfast in prayer and regular in charity: And whatever good ye send forth for your souls before you, ye shall find it with Allah. for Allah sees Well all that ye do.
( سورة البقرة , Al-Baqara, Chapter #2, Verse #110)

(6) O ye who believe! seek help with patient perseverance and prayer; for Allah is with those who patiently persevere.
( سورة البقرة , Al-Baqara, Chapter #2, Verse #153)

(7) Guard strictly your (habit of) prayers, especially the Middle prayer; and stand before Allah in a devout (frame of mind).
( سورة البقرة , Al-Baqara, Chapter #2, Verse #238)