Answer:
1. Underwrite.
2. Coalesced.
3. Rudimentary.
4. Infrastructure.
Step-by-step explanation:
1. TWDIRWERUNE = UNDERWRITE: finance, bank. The terminology "underwrite" is used in financial (banking) industry and it simply means to take on a financial related risk for a specific amount of money.
2. DCOSCAEEL = COALESCED: came together. This simply means to form a single mass of an object by joining two or more elements.
3. RDIMAUEYRNT = RUDIMENTARY: basic, undeveloped. This refers to the basic or minimal quality (undeveloped) of something.
4. RSRATFENIURUTC = INFRASTRUCTURE: roads, bridges, canals, etc. An infrastructure refers to the fundamental or foundational installations, systems, services, facilities and structures required for the growth and development of a place.