Related by context. Frequent words. (Click for all words.) 66 porous borders 66 border 52 borders 51 tribal regions 49 smuggling routes 47 porous 46 lawless tribal areas 45 semi autonomous tribal 44 infiltrations 44 smugglers 43 illegal migrants 43 Federally Administered Tribal Areas 42 tribal belt 42 drug smugglers 42 border crossing 42 infiltrators 41 border crossings 41 unmanned drones 41 Indo Pak border 40 drug cartels 40 smuggling 40 borderlands 39 LoC 38 incursions 38 drug traffickers 38 safe havens 38 Baluchistan 38 bordering Afghanistan 38 mountainous 38 resurgent Taliban 38 Control LoC 38 refugee camps 38 illegal border crossers 38 Haqqani network 37 Mexican drug cartels 37 Smugglers 37 rugged mountains 37 Border Patrol 37 insurgencies 37 illegal immigration 37 mountainous terrain 37 Border Security 36 frontier 36 disputed Himalayan region 36 Taliban insurgency 36 Rohingyas 36 Taliban strongholds 36 Tribal Areas 36 lawless 36 infiltration 36 Pakistan lawless tribal 36 border crossers 36 narco trafficking 36 undocumented aliens 36 remote mountainous 36 Illegal immigration 36 Border 36 Baluchistan province 36 North Waziristan 35 Mexican cartels 35 sanctuaries 35 Somali refugees 35 undocumented migrants 35 traffickers 35 checkposts 35 Rafah terminal 35 cartels 35 Pakistan 35 Rafah border 35 Afghanistan 35 Islamic militants 35 South Waziristan 35 overland 34 Border Patrol agents 34 Waziristan 34 narcotics trafficking 34 army offensives 34 illegals 34 insurgency 34 Rafah crossing 34 militants 34 northwestern tribal 34 Sinaloa cartel 34 al Qaida offshoot 34 North Waziristan tribal 34 restive tribal 34 Joaquin El Chapo 34 Torkham 34 coastlines 34 ethnic Pashtuns 33 territorial sovereignty 33 PKK rebels 33 breakaway regions 33 Wagah border 33 Islamist militants 33 crossings 33 extremist groups 33 Shiite militias 33 Islamist extremists 33 Islamist insurgents 33 drug trafficking